./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/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_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/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_1870793b-510c-481d-aff4-c68842223df1/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 f64c2f4b711d318d41e4cf94931ea5c2c39d9f20 ............................................................................................................................................ 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_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/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_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/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_1870793b-510c-481d-aff4-c68842223df1/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 f64c2f4b711d318d41e4cf94931ea5c2c39d9f20 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:29:52,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:52,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:52,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:52,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:52,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:52,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:52,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:52,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:52,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:52,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:52,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:52,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:52,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:52,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:52,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:52,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:52,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:52,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:52,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:52,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:52,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:52,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:52,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:52,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:52,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:52,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:52,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:52,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:52,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:52,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:52,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:52,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:52,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:52,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:52,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:52,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:52,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:52,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:52,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:52,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:52,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:52,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:52,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:52,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:52,997 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:52,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:52,997 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:52,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:52,998 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:52,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:52,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:52,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:52,999 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:53,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:53,000 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:53,000 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:53,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:53,001 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:53,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:53,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:53,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:53,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:53,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:53,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:53,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:53,002 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:53,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:53,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:53,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:53,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:53,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:53,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:53,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:53,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:53,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:53,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:53,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:53,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:53,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:53,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:53,007 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_1870793b-510c-481d-aff4-c68842223df1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64c2f4b711d318d41e4cf94931ea5c2c39d9f20 [2021-10-11 02:29:53,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:53,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:53,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:53,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:53,316 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:53,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-11 02:29:53,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data/56adac10e/47484af3f7d346de966adb79f66e8840/FLAG3bb59373f [2021-10-11 02:29:53,942 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:53,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-11 02:29:53,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data/56adac10e/47484af3f7d346de966adb79f66e8840/FLAG3bb59373f [2021-10-11 02:29:54,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data/56adac10e/47484af3f7d346de966adb79f66e8840 [2021-10-11 02:29:54,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:54,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:54,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:54,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:54,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:54,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d371d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54, skipping insertion in model container [2021-10-11 02:29:54,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:54" (1/1) ... [2021-10-11 02:29:54,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:54,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:54,687 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_1870793b-510c-481d-aff4-c68842223df1/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[6697,6710] [2021-10-11 02:29:54,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:54,818 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:29:54,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ac8ced7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54, skipping insertion in model container [2021-10-11 02:29:54,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:54,821 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:54,824 INFO L168 Benchmark]: Toolchain (without parser) took 593.76 ms. Allocated memory is still 92.3 MB. Free memory was 51.6 MB in the beginning and 65.5 MB in the end (delta: -14.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:54,825 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:54,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.42 ms. Allocated memory is still 92.3 MB. Free memory was 72.0 MB in the beginning and 65.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 571.42 ms. Allocated memory is still 92.3 MB. Free memory was 72.0 MB in the beginning and 65.5 MB in the end (delta: 6.5 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: 470]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:57,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:57,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:57,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:57,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:57,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:57,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:57,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:57,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:57,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:57,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:57,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:57,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:57,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:57,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:57,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:57,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:57,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:57,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:57,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:57,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:57,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:57,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:57,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:57,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:57,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:57,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:57,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:57,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:57,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:57,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:57,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:57,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:57,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:57,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:57,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:57,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:57,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:57,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:57,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:57,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:57,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:57,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:57,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:57,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:57,369 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:57,369 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:57,369 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:57,369 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:57,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:57,370 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:57,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:57,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:57,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:57,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:57,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:57,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:57,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:57,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:57,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:57,374 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:57,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:57,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:57,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:57,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:57,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:57,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:57,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:57,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:57,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:57,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:57,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:57,377 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:57,377 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:57,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:57,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:57,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:57,379 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_1870793b-510c-481d-aff4-c68842223df1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64c2f4b711d318d41e4cf94931ea5c2c39d9f20 [2021-10-11 02:29:57,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:57,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:57,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:57,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:57,814 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:57,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-11 02:29:57,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data/5083e37c9/28bbab9955804c80835eae2447d61f41/FLAG3fbc16ce6 [2021-10-11 02:29:58,496 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:58,497 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-11 02:29:58,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data/5083e37c9/28bbab9955804c80835eae2447d61f41/FLAG3fbc16ce6 [2021-10-11 02:29:58,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/data/5083e37c9/28bbab9955804c80835eae2447d61f41 [2021-10-11 02:29:58,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:58,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:58,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:58,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:58,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:58,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4097feb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58, skipping insertion in model container [2021-10-11 02:29:58,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:58,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:59,099 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_1870793b-510c-481d-aff4-c68842223df1/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[6697,6710] [2021-10-11 02:29:59,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:59,240 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:59,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:59,292 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_1870793b-510c-481d-aff4-c68842223df1/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[6697,6710] [2021-10-11 02:29:59,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:59,351 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:59,398 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_1870793b-510c-481d-aff4-c68842223df1/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[6697,6710] [2021-10-11 02:29:59,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:59,507 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:59,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59 WrapperNode [2021-10-11 02:29:59,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:59,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:59,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:59,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:59,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:59,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:59,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:59,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:59,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... [2021-10-11 02:29:59,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:59,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:59,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:59,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:59,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:02,304 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:02,304 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-11 02:30:02,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:02 BoogieIcfgContainer [2021-10-11 02:30:02,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:02,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:02,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:02,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:02,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:58" (1/3) ... [2021-10-11 02:30:02,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8369b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:02, skipping insertion in model container [2021-10-11 02:30:02,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:59" (2/3) ... [2021-10-11 02:30:02,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8369b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:02, skipping insertion in model container [2021-10-11 02:30:02,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:02" (3/3) ... [2021-10-11 02:30:02,315 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2021-10-11 02:30:02,329 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:02,333 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:02,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:02,370 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:02,370 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:02,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:02,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:02,371 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:02,371 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:02,371 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:02,371 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2021-10-11 02:30:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:30:02,395 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:02,397 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:02,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:02,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1765894020, now seen corresponding path program 1 times [2021-10-11 02:30:02,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:02,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660904244] [2021-10-11 02:30:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/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 02:30:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:02,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:02,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:02,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:02,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660904244] [2021-10-11 02:30:02,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:02,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:02,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022688366] [2021-10-11 02:30:02,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:02,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:02,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:02,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:02,817 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2021-10-11 02:30:02,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:02,870 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2021-10-11 02:30:02,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:02,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:30:02,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:02,888 INFO L225 Difference]: With dead ends: 223 [2021-10-11 02:30:02,888 INFO L226 Difference]: Without dead ends: 111 [2021-10-11 02:30:02,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:30:02,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-11 02:30:02,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-11 02:30:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 02:30:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2021-10-11 02:30:02,957 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2021-10-11 02:30:02,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:02,957 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2021-10-11 02:30:02,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:02,958 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-10-11 02:30:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:02,961 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,961 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 02:30:03,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,178 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1547058051, now seen corresponding path program 1 times [2021-10-11 02:30:03,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189138259] [2021-10-11 02:30:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:03,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:03,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:03,468 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 02:30:03,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:03,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189138259] [2021-10-11 02:30:03,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:03,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:03,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180587260] [2021-10-11 02:30:03,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:03,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:03,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:03,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:03,474 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 3 states. [2021-10-11 02:30:03,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:03,506 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2021-10-11 02:30:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:03,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:03,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:03,509 INFO L225 Difference]: With dead ends: 111 [2021-10-11 02:30:03,510 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:30:03,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:30:03,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:30:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:30:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 02:30:03,521 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-11 02:30:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:03,521 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 02:30:03,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 02:30:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:03,523 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:03,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:03,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,738 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1303013450, now seen corresponding path program 1 times [2021-10-11 02:30:03,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346018643] [2021-10-11 02:30:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:03,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:03,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:03,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:04,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346018643] [2021-10-11 02:30:04,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:04,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:04,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944907395] [2021-10-11 02:30:04,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:04,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:04,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:04,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:04,007 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-10-11 02:30:04,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:04,026 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2021-10-11 02:30:04,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:04,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:04,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:04,028 INFO L225 Difference]: With dead ends: 87 [2021-10-11 02:30:04,028 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:30:04,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:30:04,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:30:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:30:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 02:30:04,035 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-11 02:30:04,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:04,036 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 02:30:04,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 02:30:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:30:04,037 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:04,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:04,254 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:04,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:04,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1055953523, now seen corresponding path program 1 times [2021-10-11 02:30:04,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:04,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897667925] [2021-10-11 02:30:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:04,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:04,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:04,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:04,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897667925] [2021-10-11 02:30:04,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:04,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:04,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968416407] [2021-10-11 02:30:04,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:04,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:04,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:04,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:04,519 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 02:30:04,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:04,604 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-10-11 02:30:04,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:04,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:30:04,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:04,610 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:30:04,610 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 02:30:04,614 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 02:30:04,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 02:30:04,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-11 02:30:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 02:30:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-10-11 02:30:04,628 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2021-10-11 02:30:04,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:04,629 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-10-11 02:30:04,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-10-11 02:30:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:04,630 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:04,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:04,842 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:04,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:04,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1518849596, now seen corresponding path program 1 times [2021-10-11 02:30:04,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:04,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116190489] [2021-10-11 02:30:04,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:05,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:05,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:05,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:05,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116190489] [2021-10-11 02:30:05,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:05,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:05,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108198587] [2021-10-11 02:30:05,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:05,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:05,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:05,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:05,203 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2021-10-11 02:30:05,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:05,337 INFO L93 Difference]: Finished difference Result 178 states and 252 transitions. [2021-10-11 02:30:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:05,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:30:05,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:05,340 INFO L225 Difference]: With dead ends: 178 [2021-10-11 02:30:05,340 INFO L226 Difference]: Without dead ends: 118 [2021-10-11 02:30:05,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:30:05,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-11 02:30:05,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 73. [2021-10-11 02:30:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:30:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2021-10-11 02:30:05,374 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 32 [2021-10-11 02:30:05,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:05,374 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2021-10-11 02:30:05,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2021-10-11 02:30:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:30:05,377 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:05,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:05,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,589 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:05,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:05,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1842653991, now seen corresponding path program 1 times [2021-10-11 02:30:05,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:05,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148851452] [2021-10-11 02:30:05,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:05,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:05,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:05,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:05,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148851452] [2021-10-11 02:30:05,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:05,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:05,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656007006] [2021-10-11 02:30:05,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:05,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:05,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:05,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:05,900 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 5 states. [2021-10-11 02:30:06,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:06,045 INFO L93 Difference]: Finished difference Result 349 states and 492 transitions. [2021-10-11 02:30:06,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:06,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:30:06,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:06,054 INFO L225 Difference]: With dead ends: 349 [2021-10-11 02:30:06,054 INFO L226 Difference]: Without dead ends: 283 [2021-10-11 02:30:06,055 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 02:30:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-11 02:30:06,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 131. [2021-10-11 02:30:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:30:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 180 transitions. [2021-10-11 02:30:06,088 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 180 transitions. Word has length 32 [2021-10-11 02:30:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:06,090 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-10-11 02:30:06,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 180 transitions. [2021-10-11 02:30:06,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:30:06,094 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:06,094 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 02:30:06,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:06,314 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:06,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:06,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1842810527, now seen corresponding path program 1 times [2021-10-11 02:30:06,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:06,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606593988] [2021-10-11 02:30:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:06,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:06,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:06,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:06,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606593988] [2021-10-11 02:30:06,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:06,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:06,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806071360] [2021-10-11 02:30:06,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:06,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:06,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:06,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:06,588 INFO L87 Difference]: Start difference. First operand 131 states and 180 transitions. Second operand 5 states. [2021-10-11 02:30:06,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:06,786 INFO L93 Difference]: Finished difference Result 490 states and 677 transitions. [2021-10-11 02:30:06,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:06,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:30:06,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:06,789 INFO L225 Difference]: With dead ends: 490 [2021-10-11 02:30:06,789 INFO L226 Difference]: Without dead ends: 366 [2021-10-11 02:30:06,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:06,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-10-11 02:30:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 130. [2021-10-11 02:30:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-10-11 02:30:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2021-10-11 02:30:06,807 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2021-10-11 02:30:06,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:06,808 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2021-10-11 02:30:06,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-10-11 02:30:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:30:06,809 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:06,809 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 02:30:07,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,025 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:07,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:07,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2075209658, now seen corresponding path program 1 times [2021-10-11 02:30:07,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:07,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218980260] [2021-10-11 02:30:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:07,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:07,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:07,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:07,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218980260] [2021-10-11 02:30:07,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:07,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:07,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718528905] [2021-10-11 02:30:07,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:07,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:07,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:07,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:07,295 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 4 states. [2021-10-11 02:30:07,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:07,360 INFO L93 Difference]: Finished difference Result 311 states and 421 transitions. [2021-10-11 02:30:07,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:07,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:30:07,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:07,364 INFO L225 Difference]: With dead ends: 311 [2021-10-11 02:30:07,366 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 02:30:07,367 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 02:30:07,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 02:30:07,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 138. [2021-10-11 02:30:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-10-11 02:30:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2021-10-11 02:30:07,387 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2021-10-11 02:30:07,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:07,388 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2021-10-11 02:30:07,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:07,388 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2021-10-11 02:30:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:30:07,393 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:07,393 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 02:30:07,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,606 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:07,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:07,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1632951624, now seen corresponding path program 1 times [2021-10-11 02:30:07,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:07,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486542536] [2021-10-11 02:30:07,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:07,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:07,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:07,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:07,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486542536] [2021-10-11 02:30:07,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:07,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:07,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174878360] [2021-10-11 02:30:07,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:07,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:07,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:07,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:07,846 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 3 states. [2021-10-11 02:30:07,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:07,886 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2021-10-11 02:30:07,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:07,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 02:30:07,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:07,888 INFO L225 Difference]: With dead ends: 319 [2021-10-11 02:30:07,888 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 02:30:07,889 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 02:30:07,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 02:30:07,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-10-11 02:30:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-10-11 02:30:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2021-10-11 02:30:07,911 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2021-10-11 02:30:07,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:07,911 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2021-10-11 02:30:07,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2021-10-11 02:30:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:07,912 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:07,912 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 02:30:08,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:08,130 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:08,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:08,130 INFO L82 PathProgramCache]: Analyzing trace with hash -767383544, now seen corresponding path program 1 times [2021-10-11 02:30:08,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:08,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283386303] [2021-10-11 02:30:08,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:08,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:08,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:08,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:08,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283386303] [2021-10-11 02:30:08,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:08,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:08,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670081777] [2021-10-11 02:30:08,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:08,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:08,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:08,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:08,366 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2021-10-11 02:30:08,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:08,427 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2021-10-11 02:30:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:08,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:30:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:08,430 INFO L225 Difference]: With dead ends: 287 [2021-10-11 02:30:08,430 INFO L226 Difference]: Without dead ends: 285 [2021-10-11 02:30:08,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:08,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-11 02:30:08,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2021-10-11 02:30:08,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 02:30:08,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2021-10-11 02:30:08,456 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2021-10-11 02:30:08,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:08,456 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2021-10-11 02:30:08,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2021-10-11 02:30:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:30:08,457 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:08,458 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, 1, 1, 1, 1, 1] [2021-10-11 02:30:08,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:30:08,673 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:08,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:08,674 INFO L82 PathProgramCache]: Analyzing trace with hash 12630167, now seen corresponding path program 1 times [2021-10-11 02:30:08,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:08,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643510449] [2021-10-11 02:30:08,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:08,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:08,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:30:08,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:08,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643510449] [2021-10-11 02:30:08,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:08,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:30:08,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033560334] [2021-10-11 02:30:08,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:08,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:08,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:08,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:08,974 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand 6 states. [2021-10-11 02:30:10,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:10,487 INFO L93 Difference]: Finished difference Result 720 states and 968 transitions. [2021-10-11 02:30:10,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:30:10,487 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-10-11 02:30:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:10,490 INFO L225 Difference]: With dead ends: 720 [2021-10-11 02:30:10,490 INFO L226 Difference]: Without dead ends: 499 [2021-10-11 02:30:10,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:30:10,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-10-11 02:30:10,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2021-10-11 02:30:10,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2021-10-11 02:30:10,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2021-10-11 02:30:10,519 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2021-10-11 02:30:10,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:10,520 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2021-10-11 02:30:10,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2021-10-11 02:30:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:30:10,521 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:10,521 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 02:30:10,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:30:10,733 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:10,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:10,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1600290606, now seen corresponding path program 1 times [2021-10-11 02:30:10,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:10,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630526181] [2021-10-11 02:30:10,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:10,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:10,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:11,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:11,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630526181] [2021-10-11 02:30:11,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:11,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:11,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086091796] [2021-10-11 02:30:11,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:11,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:11,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:11,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:11,041 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 3 states. [2021-10-11 02:30:12,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:12,537 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2021-10-11 02:30:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:12,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 02:30:12,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:12,538 INFO L225 Difference]: With dead ends: 325 [2021-10-11 02:30:12,538 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:12,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:12,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:12,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:12,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 02:30:12,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:12,540 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:12,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:12,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:12,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:30:12,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:13,156 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-10-11 02:30:13,336 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-10-11 02:30:13,810 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-10-11 02:30:13,991 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 83 [2021-10-11 02:30:14,168 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 87 [2021-10-11 02:30:14,602 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 29 [2021-10-11 02:30:14,950 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2021-10-11 02:30:15,215 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2021-10-11 02:30:15,472 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2021-10-11 02:30:15,840 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2021-10-11 02:30:16,163 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2021-10-11 02:30:16,355 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2021-10-11 02:30:16,762 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2021-10-11 02:30:17,146 WARN L197 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2021-10-11 02:30:17,151 INFO L262 CegarLoopResult]: For program point L894(lines 894 901) no Hoare annotation was computed. [2021-10-11 02:30:17,152 INFO L265 CegarLoopResult]: At program point L894-1(lines 894 901) the Hoare annotation is: true [2021-10-11 02:30:17,152 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 437) no Hoare annotation was computed. [2021-10-11 02:30:17,152 INFO L258 CegarLoopResult]: At program point L170(lines 165 173) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3))) [2021-10-11 02:30:17,152 INFO L258 CegarLoopResult]: At program point L170-1(lines 165 173) the Hoare annotation is: false [2021-10-11 02:30:17,152 INFO L258 CegarLoopResult]: At program point L170-2(lines 165 173) the Hoare annotation is: false [2021-10-11 02:30:17,152 INFO L258 CegarLoopResult]: At program point L930(lines 1 941) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:17,153 INFO L262 CegarLoopResult]: For program point L369(lines 369 373) no Hoare annotation was computed. [2021-10-11 02:30:17,153 INFO L262 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-11 02:30:17,153 INFO L262 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2021-10-11 02:30:17,153 INFO L262 CegarLoopResult]: For program point L437-2(line 437) no Hoare annotation was computed. [2021-10-11 02:30:17,153 INFO L258 CegarLoopResult]: At program point L305(lines 300 307) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:17,153 INFO L258 CegarLoopResult]: At program point L867(lines 863 869) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:17,154 INFO L262 CegarLoopResult]: For program point L273(lines 273 284) no Hoare annotation was computed. [2021-10-11 02:30:17,154 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 437) no Hoare annotation was computed. [2021-10-11 02:30:17,154 INFO L265 CegarLoopResult]: At program point L903(lines 884 906) the Hoare annotation is: true [2021-10-11 02:30:17,154 INFO L262 CegarLoopResult]: For program point L244(lines 243 288) no Hoare annotation was computed. [2021-10-11 02:30:17,154 INFO L258 CegarLoopResult]: At program point L938(lines 933 941) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:17,154 INFO L262 CegarLoopResult]: For program point L245(lines 245 249) no Hoare annotation was computed. [2021-10-11 02:30:17,154 INFO L262 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2021-10-11 02:30:17,155 INFO L262 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2021-10-11 02:30:17,155 INFO L262 CegarLoopResult]: For program point L345-3(lines 345 349) no Hoare annotation was computed. [2021-10-11 02:30:17,155 INFO L262 CegarLoopResult]: For program point L279-2(lines 59 65) no Hoare annotation was computed. [2021-10-11 02:30:17,155 INFO L262 CegarLoopResult]: For program point L345-6(lines 345 349) no Hoare annotation was computed. [2021-10-11 02:30:17,155 INFO L262 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2021-10-11 02:30:17,155 INFO L262 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2021-10-11 02:30:17,155 INFO L262 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2021-10-11 02:30:17,156 INFO L258 CegarLoopResult]: At program point L382(lines 377 385) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:30:17,156 INFO L258 CegarLoopResult]: At program point L382-1(lines 377 385) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse4 .cse7))) [2021-10-11 02:30:17,156 INFO L262 CegarLoopResult]: For program point L316(lines 316 333) no Hoare annotation was computed. [2021-10-11 02:30:17,156 INFO L258 CegarLoopResult]: At program point L382-2(lines 377 385) the Hoare annotation is: false [2021-10-11 02:30:17,156 INFO L258 CegarLoopResult]: At program point L316-1(lines 1 941) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse5 .cse7 .cse6 .cse3) (and .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse7 .cse6 .cse3))) [2021-10-11 02:30:17,156 INFO L258 CegarLoopResult]: At program point L382-3(lines 377 385) the Hoare annotation is: false [2021-10-11 02:30:17,156 INFO L262 CegarLoopResult]: For program point L316-2(lines 316 333) no Hoare annotation was computed. [2021-10-11 02:30:17,156 INFO L258 CegarLoopResult]: At program point L382-4(lines 377 385) the Hoare annotation is: false [2021-10-11 02:30:17,157 INFO L258 CegarLoopResult]: At program point L316-3(lines 1 941) the Hoare annotation is: false [2021-10-11 02:30:17,157 INFO L258 CegarLoopResult]: At program point L382-5(lines 377 385) the Hoare annotation is: false [2021-10-11 02:30:17,157 INFO L262 CegarLoopResult]: For program point L316-4(lines 316 333) no Hoare annotation was computed. [2021-10-11 02:30:17,157 INFO L258 CegarLoopResult]: At program point L316-5(lines 1 941) the Hoare annotation is: false [2021-10-11 02:30:17,157 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:17,157 INFO L262 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,157 INFO L262 CegarLoopResult]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,157 INFO L262 CegarLoopResult]: For program point L219-3(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,157 INFO L262 CegarLoopResult]: For program point L219-5(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,158 INFO L262 CegarLoopResult]: For program point L219-6(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,158 INFO L262 CegarLoopResult]: For program point L219-8(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,158 INFO L262 CegarLoopResult]: For program point L219-9(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,158 INFO L262 CegarLoopResult]: For program point L219-11(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,158 INFO L262 CegarLoopResult]: For program point L219-12(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,158 INFO L262 CegarLoopResult]: For program point L219-14(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,158 INFO L262 CegarLoopResult]: For program point L219-15(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,158 INFO L262 CegarLoopResult]: For program point L219-17(lines 219 223) no Hoare annotation was computed. [2021-10-11 02:30:17,159 INFO L262 CegarLoopResult]: For program point L253(lines 253 259) no Hoare annotation was computed. [2021-10-11 02:30:17,159 INFO L258 CegarLoopResult]: At program point L253-1(lines 253 259) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse5 .cse7 .cse6 .cse3) (and .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse7 .cse6 .cse3))) [2021-10-11 02:30:17,159 INFO L262 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2021-10-11 02:30:17,159 INFO L262 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2021-10-11 02:30:17,159 INFO L262 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2021-10-11 02:30:17,159 INFO L262 CegarLoopResult]: For program point L320(lines 320 330) no Hoare annotation was computed. [2021-10-11 02:30:17,159 INFO L262 CegarLoopResult]: For program point L320-2(lines 320 330) no Hoare annotation was computed. [2021-10-11 02:30:17,159 INFO L262 CegarLoopResult]: For program point L320-4(lines 320 330) no Hoare annotation was computed. [2021-10-11 02:30:17,159 INFO L262 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2021-10-11 02:30:17,160 INFO L262 CegarLoopResult]: For program point L321-2(lines 321 327) no Hoare annotation was computed. [2021-10-11 02:30:17,160 INFO L262 CegarLoopResult]: For program point L321-4(lines 321 327) no Hoare annotation was computed. [2021-10-11 02:30:17,160 INFO L258 CegarLoopResult]: At program point L289(lines 242 290) the Hoare annotation is: false [2021-10-11 02:30:17,160 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:17,160 INFO L262 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:30:17,160 INFO L262 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:30:17,160 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L422(lines 422 428) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L422-1(lines 422 428) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L422-2(lines 422 428) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L422-3(lines 422 428) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L422-4(lines 422 428) no Hoare annotation was computed. [2021-10-11 02:30:17,161 INFO L262 CegarLoopResult]: For program point L422-5(lines 422 428) no Hoare annotation was computed. [2021-10-11 02:30:17,162 INFO L258 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse4))) [2021-10-11 02:30:17,162 INFO L262 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2021-10-11 02:30:17,162 INFO L258 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2021-10-11 02:30:17,162 INFO L258 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2021-10-11 02:30:17,162 INFO L258 CegarLoopResult]: At program point L819-2(lines 819 833) the Hoare annotation is: false [2021-10-11 02:30:17,162 INFO L262 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-10-11 02:30:17,162 INFO L258 CegarLoopResult]: At program point L225(lines 210 228) the Hoare annotation is: false [2021-10-11 02:30:17,163 INFO L258 CegarLoopResult]: At program point L225-1(lines 210 228) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (and .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:30:17,163 INFO L258 CegarLoopResult]: At program point L225-2(lines 210 228) the Hoare annotation is: false [2021-10-11 02:30:17,163 INFO L258 CegarLoopResult]: At program point L225-3(lines 210 228) the Hoare annotation is: false [2021-10-11 02:30:17,163 INFO L258 CegarLoopResult]: At program point L225-4(lines 210 228) the Hoare annotation is: false [2021-10-11 02:30:17,163 INFO L258 CegarLoopResult]: At program point L225-5(lines 210 228) the Hoare annotation is: false [2021-10-11 02:30:17,163 INFO L262 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2021-10-11 02:30:17,163 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:17,164 INFO L258 CegarLoopResult]: At program point L161(lines 154 164) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:30:17,164 INFO L258 CegarLoopResult]: At program point L161-1(lines 154 164) the Hoare annotation is: false [2021-10-11 02:30:17,164 INFO L262 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:30:17,164 INFO L258 CegarLoopResult]: At program point L161-2(lines 154 164) the Hoare annotation is: false [2021-10-11 02:30:17,164 INFO L262 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:30:17,164 INFO L262 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:30:17,164 INFO L262 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:30:17,165 INFO L262 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:30:17,165 INFO L262 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2021-10-11 02:30:17,165 INFO L262 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-10-11 02:30:17,165 INFO L262 CegarLoopResult]: For program point L823-1(lines 59 65) no Hoare annotation was computed. [2021-10-11 02:30:17,165 INFO L258 CegarLoopResult]: At program point L427(lines 418 431) the Hoare annotation is: false [2021-10-11 02:30:17,165 INFO L258 CegarLoopResult]: At program point L427-1(lines 418 431) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:30:17,165 INFO L258 CegarLoopResult]: At program point L427-2(lines 418 431) the Hoare annotation is: false [2021-10-11 02:30:17,165 INFO L258 CegarLoopResult]: At program point L427-3(lines 418 431) the Hoare annotation is: false [2021-10-11 02:30:17,166 INFO L258 CegarLoopResult]: At program point L427-4(lines 418 431) the Hoare annotation is: false [2021-10-11 02:30:17,166 INFO L258 CegarLoopResult]: At program point L427-5(lines 418 431) the Hoare annotation is: false [2021-10-11 02:30:17,166 INFO L262 CegarLoopResult]: For program point L263(lines 263 269) no Hoare annotation was computed. [2021-10-11 02:30:17,166 INFO L258 CegarLoopResult]: At program point L263-1(lines 263 269) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4))) [2021-10-11 02:30:17,166 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:17,166 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 437) no Hoare annotation was computed. [2021-10-11 02:30:17,167 INFO L258 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse1 .cse2 .cse4 .cse3) (and .cse1 .cse5 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3))) [2021-10-11 02:30:17,167 INFO L258 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2021-10-11 02:30:17,167 INFO L258 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2021-10-11 02:30:17,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:17 BoogieIcfgContainer [2021-10-11 02:30:17,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:17,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:17,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:17,198 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:17,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:02" (3/4) ... [2021-10-11 02:30:17,201 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:17,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:17,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:17,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:17,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:17,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:17,227 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:17,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:17,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:17,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:17,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:17,255 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:17,256 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:30:17,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:30:17,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:30:17,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:17,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:30:17,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:17,310 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1870793b-510c-481d-aff4-c68842223df1/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:17,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:17,311 INFO L168 Benchmark]: Toolchain (without parser) took 18529.27 ms. Allocated memory was 48.2 MB in the beginning and 119.5 MB in the end (delta: 71.3 MB). Free memory was 21.9 MB in the beginning and 76.1 MB in the end (delta: -54.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,312 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory was 28.5 MB in the beginning and 28.4 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:17,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.10 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 21.7 MB in the beginning and 40.3 MB in the end (delta: -18.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.69 ms. Allocated memory is still 60.8 MB. Free memory was 40.3 MB in the beginning and 36.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,313 INFO L168 Benchmark]: Boogie Preprocessor took 89.47 ms. Allocated memory is still 60.8 MB. Free memory was 36.8 MB in the beginning and 34.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,314 INFO L168 Benchmark]: RCFGBuilder took 2593.64 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 33.8 MB in the beginning and 59.4 MB in the end (delta: -25.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,314 INFO L168 Benchmark]: TraceAbstraction took 14888.37 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 58.9 MB in the beginning and 86.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 66.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,314 INFO L168 Benchmark]: Witness Printer took 113.14 ms. Allocated memory is still 119.5 MB. Free memory was 86.6 MB in the beginning and 76.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:17,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory was 28.5 MB in the beginning and 28.4 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 723.10 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 21.7 MB in the beginning and 40.3 MB in the end (delta: -18.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.69 ms. Allocated memory is still 60.8 MB. Free memory was 40.3 MB in the beginning and 36.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.47 ms. Allocated memory is still 60.8 MB. Free memory was 36.8 MB in the beginning and 34.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2593.64 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 33.8 MB in the beginning and 59.4 MB in the end (delta: -25.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14888.37 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 58.9 MB in the beginning and 86.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 66.9 MB. Max. memory is 16.1 GB. * Witness Printer took 113.14 ms. Allocated memory is still 119.5 MB. Free memory was 86.6 MB in the beginning and 76.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 437]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 437]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 437]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1111 SDtfs, 1123 SDslu, 1612 SDs, 0 SdLazy, 218 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, 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, 12 MinimizatonAttempts, 836 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 104 NumberOfFragments, 882 HoareAnnotationTreeSize, 43 FomulaSimplifications, 106074 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 43 FomulaSimplificationsInter, 13497 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 32310 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2562 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 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...