./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b ............................................................................................................................................ 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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:03,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:03,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:03,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:03,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:03,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:03,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:03,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:03,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:03,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:03,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:03,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:03,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:03,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:03,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:03,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:03,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:03,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:03,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:03,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:03,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:03,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:03,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:03,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:03,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:03,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:03,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:03,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:03,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:03,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:03,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:03,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:03,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:03,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:03,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:03,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:03,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:03,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:03,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:03,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:03,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:03,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:03,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:03,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:03,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:03,188 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:03,188 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:03,188 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:03,188 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:03,189 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:03,195 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:03,195 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:03,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:03,197 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:03,197 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:03,197 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:03,198 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:03,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:03,199 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:03,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:03,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:03,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:03,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:03,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:03,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:03,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:03,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:03,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:03,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:03,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:03,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:03,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:03,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:03,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:03,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:03,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:03,205 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:03,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:03,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:03,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:03,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:03,206 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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b [2021-10-11 02:28:03,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:03,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:03,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:03,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:03,517 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:03,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-10-11 02:28:03,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data/329e6522b/814d678c523442c4b1aa32921bd68aeb/FLAGe633ca56a [2021-10-11 02:28:04,308 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:04,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-10-11 02:28:04,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data/329e6522b/814d678c523442c4b1aa32921bd68aeb/FLAGe633ca56a [2021-10-11 02:28:04,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data/329e6522b/814d678c523442c4b1aa32921bd68aeb [2021-10-11 02:28:04,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:04,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:04,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:04,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:04,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:04,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:04" (1/1) ... [2021-10-11 02:28:04,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b180349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:04, skipping insertion in model container [2021-10-11 02:28:04,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:04" (1/1) ... [2021-10-11 02:28:04,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:04,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:04,966 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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[16850,16863] [2021-10-11 02:28:04,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:04,986 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:28:04,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@341c2c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:04, skipping insertion in model container [2021-10-11 02:28:04,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:04,987 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:04,989 INFO L168 Benchmark]: Toolchain (without parser) took 404.58 ms. Allocated memory is still 96.5 MB. Free memory was 61.2 MB in the beginning and 69.9 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:04,990 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 68.0 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:04,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.74 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 69.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:04,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 68.0 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.74 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 69.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 108]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:07,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:07,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:07,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:07,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:07,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:07,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:07,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:07,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:07,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:07,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:07,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:07,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:07,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:07,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:07,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:07,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:07,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:07,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:07,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:07,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:07,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:07,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:07,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:07,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:07,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:07,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:07,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:07,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:07,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:07,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:07,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:07,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:07,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:07,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:07,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:07,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:07,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:07,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:07,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:07,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:07,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:07,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:07,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:07,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:07,529 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:07,529 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:07,529 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:07,529 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:07,530 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:07,530 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:07,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:07,533 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:07,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:07,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:07,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:07,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:07,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:07,534 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:07,535 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:07,535 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:07,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:07,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:07,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:07,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:07,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:07,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:07,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:07,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:07,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:07,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:07,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:07,538 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:07,538 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:07,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:07,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:07,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:07,539 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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b [2021-10-11 02:28:07,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:08,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:08,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:08,032 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:08,033 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:08,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-10-11 02:28:08,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data/5bab91471/6ebafb0b5f804c968a0350f5f2b58322/FLAG2860b21f9 [2021-10-11 02:28:08,774 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:08,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-10-11 02:28:08,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data/5bab91471/6ebafb0b5f804c968a0350f5f2b58322/FLAG2860b21f9 [2021-10-11 02:28:09,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/data/5bab91471/6ebafb0b5f804c968a0350f5f2b58322 [2021-10-11 02:28:09,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:09,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:09,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:09,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:09,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:09,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72afe43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09, skipping insertion in model container [2021-10-11 02:28:09,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:09,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:09,532 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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[16850,16863] [2021-10-11 02:28:09,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:09,554 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:09,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:09,670 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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[16850,16863] [2021-10-11 02:28:09,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:09,693 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:09,810 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_4b39bd10-e7cf-4b57-b377-7bb68b34a138/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[16850,16863] [2021-10-11 02:28:09,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:09,865 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:09,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09 WrapperNode [2021-10-11 02:28:09,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:09,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:09,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:09,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:09,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:09,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:10,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:10,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:10,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:10,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:10,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:10,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:10,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:10,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:10,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:10,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:10,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... [2021-10-11 02:28:10,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:10,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:10,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:10,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:10,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:12,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:12,877 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-11 02:28:12,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:12 BoogieIcfgContainer [2021-10-11 02:28:12,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:12,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:12,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:12,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:12,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:09" (1/3) ... [2021-10-11 02:28:12,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0211f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:12, skipping insertion in model container [2021-10-11 02:28:12,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:09" (2/3) ... [2021-10-11 02:28:12,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0211f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:12, skipping insertion in model container [2021-10-11 02:28:12,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:12" (3/3) ... [2021-10-11 02:28:12,887 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2021-10-11 02:28:12,902 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:12,906 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:28:12,922 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:28:12,948 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:12,948 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:12,948 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:12,949 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:12,949 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:12,949 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:12,950 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:12,950 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2021-10-11 02:28:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:28:12,975 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:12,976 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 02:28:12,976 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:12,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:12,983 INFO L82 PathProgramCache]: Analyzing trace with hash 849715888, now seen corresponding path program 1 times [2021-10-11 02:28:12,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:12,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969790941] [2021-10-11 02:28:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:13,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:13,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:13,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:13,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969790941] [2021-10-11 02:28:13,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:13,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:13,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693978765] [2021-10-11 02:28:13,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:13,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:13,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:13,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:13,466 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2021-10-11 02:28:13,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:13,514 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2021-10-11 02:28:13,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:13,515 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:28:13,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:13,537 INFO L225 Difference]: With dead ends: 259 [2021-10-11 02:28:13,537 INFO L226 Difference]: Without dead ends: 129 [2021-10-11 02:28:13,541 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 02:28:13,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-10-11 02:28:13,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-10-11 02:28:13,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2021-10-11 02:28:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2021-10-11 02:28:13,587 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2021-10-11 02:28:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:13,588 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2021-10-11 02:28:13,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:13,588 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2021-10-11 02:28:13,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:28:13,590 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:13,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:13,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:13,802 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:13,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:13,803 INFO L82 PathProgramCache]: Analyzing trace with hash 2136736995, now seen corresponding path program 1 times [2021-10-11 02:28:13,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:13,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961543234] [2021-10-11 02:28:13,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:14,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:14,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:14,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:14,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961543234] [2021-10-11 02:28:14,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:14,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:14,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028276625] [2021-10-11 02:28:14,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:14,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:14,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:14,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:14,172 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2021-10-11 02:28:14,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:14,192 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2021-10-11 02:28:14,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:14,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:28:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:14,199 INFO L225 Difference]: With dead ends: 129 [2021-10-11 02:28:14,199 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:28:14,200 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 02:28:14,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:28:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:28:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:28:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-11 02:28:14,219 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-10-11 02:28:14,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:14,222 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-11 02:28:14,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-11 02:28:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:28:14,225 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:14,225 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 02:28:14,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:14,432 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:14,433 INFO L82 PathProgramCache]: Analyzing trace with hash -2062368201, now seen corresponding path program 1 times [2021-10-11 02:28:14,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:14,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560891073] [2021-10-11 02:28:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:14,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:14,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:14,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:14,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560891073] [2021-10-11 02:28:14,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:14,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:14,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939278546] [2021-10-11 02:28:14,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:14,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:14,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:14,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:14,741 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2021-10-11 02:28:14,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:14,795 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2021-10-11 02:28:14,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:14,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:28:14,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:14,797 INFO L225 Difference]: With dead ends: 99 [2021-10-11 02:28:14,799 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:28:14,800 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 02:28:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:28:14,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:28:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:28:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-11 02:28:14,822 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-10-11 02:28:14,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:14,823 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-11 02:28:14,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-11 02:28:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:28:14,824 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:14,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:15,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:15,037 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:15,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:15,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2079031545, now seen corresponding path program 1 times [2021-10-11 02:28:15,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:15,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346109710] [2021-10-11 02:28:15,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:15,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:15,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:15,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:15,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346109710] [2021-10-11 02:28:15,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:15,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:15,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022576760] [2021-10-11 02:28:15,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:15,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:15,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:15,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:15,339 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2021-10-11 02:28:15,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:15,422 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2021-10-11 02:28:15,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:15,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:28:15,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:15,427 INFO L225 Difference]: With dead ends: 121 [2021-10-11 02:28:15,427 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 02:28:15,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:15,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 02:28:15,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-11 02:28:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:28:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2021-10-11 02:28:15,452 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2021-10-11 02:28:15,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:15,454 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2021-10-11 02:28:15,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2021-10-11 02:28:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:28:15,457 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:15,457 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 02:28:15,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:15,676 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:15,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:15,677 INFO L82 PathProgramCache]: Analyzing trace with hash -449932985, now seen corresponding path program 1 times [2021-10-11 02:28:15,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:15,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855729735] [2021-10-11 02:28:15,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:15,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:28:15,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:15,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:15,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855729735] [2021-10-11 02:28:15,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:15,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:15,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940742306] [2021-10-11 02:28:15,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:15,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:15,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:15,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:15,931 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 4 states. [2021-10-11 02:28:15,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:15,995 INFO L93 Difference]: Finished difference Result 203 states and 291 transitions. [2021-10-11 02:28:15,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:15,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 02:28:15,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:15,997 INFO L225 Difference]: With dead ends: 203 [2021-10-11 02:28:15,997 INFO L226 Difference]: Without dead ends: 137 [2021-10-11 02:28:15,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:15,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-11 02:28:16,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-10-11 02:28:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:28:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2021-10-11 02:28:16,010 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2021-10-11 02:28:16,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:16,010 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2021-10-11 02:28:16,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-10-11 02:28:16,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:28:16,012 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:16,012 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 02:28:16,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:16,231 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:16,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:16,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1150997563, now seen corresponding path program 1 times [2021-10-11 02:28:16,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:16,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385364095] [2021-10-11 02:28:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:16,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:16,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:16,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:16,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385364095] [2021-10-11 02:28:16,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:16,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:16,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404028709] [2021-10-11 02:28:16,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:16,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:16,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:16,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:16,523 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2021-10-11 02:28:16,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:16,753 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2021-10-11 02:28:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:28:16,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:28:16,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:16,756 INFO L225 Difference]: With dead ends: 364 [2021-10-11 02:28:16,756 INFO L226 Difference]: Without dead ends: 294 [2021-10-11 02:28:16,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:28:16,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-11 02:28:16,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2021-10-11 02:28:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 02:28:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2021-10-11 02:28:16,777 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2021-10-11 02:28:16,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:16,778 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2021-10-11 02:28:16,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:16,778 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2021-10-11 02:28:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:28:16,779 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:16,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:16,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:28:16,996 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:16,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:16,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1151154099, now seen corresponding path program 1 times [2021-10-11 02:28:16,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:16,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518105827] [2021-10-11 02:28:16,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:17,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:17,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:17,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:17,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:17,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518105827] [2021-10-11 02:28:17,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:17,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:17,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399947029] [2021-10-11 02:28:17,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:17,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:17,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:17,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:17,280 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2021-10-11 02:28:17,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:17,518 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2021-10-11 02:28:17,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:28:17,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:28:17,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:17,521 INFO L225 Difference]: With dead ends: 526 [2021-10-11 02:28:17,522 INFO L226 Difference]: Without dead ends: 394 [2021-10-11 02:28:17,522 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 02:28:17,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-10-11 02:28:17,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2021-10-11 02:28:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-10-11 02:28:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2021-10-11 02:28:17,544 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2021-10-11 02:28:17,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:17,545 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2021-10-11 02:28:17,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2021-10-11 02:28:17,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:28:17,547 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:17,547 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, 1, 1] [2021-10-11 02:28:17,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:28:17,763 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:17,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:17,764 INFO L82 PathProgramCache]: Analyzing trace with hash -59777108, now seen corresponding path program 1 times [2021-10-11 02:28:17,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:17,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343823659] [2021-10-11 02:28:17,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:18,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:18,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:18,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:18,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343823659] [2021-10-11 02:28:18,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:18,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:18,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561397311] [2021-10-11 02:28:18,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:18,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:18,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:18,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:18,064 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2021-10-11 02:28:18,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:18,178 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2021-10-11 02:28:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:28:18,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 02:28:18,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:18,181 INFO L225 Difference]: With dead ends: 355 [2021-10-11 02:28:18,181 INFO L226 Difference]: Without dead ends: 224 [2021-10-11 02:28:18,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:28:18,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-11 02:28:18,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2021-10-11 02:28:18,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2021-10-11 02:28:18,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2021-10-11 02:28:18,206 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2021-10-11 02:28:18,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:18,207 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2021-10-11 02:28:18,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2021-10-11 02:28:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:28:18,208 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:18,209 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, 1, 1] [2021-10-11 02:28:18,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:28:18,423 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:18,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:18,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2091962712, now seen corresponding path program 1 times [2021-10-11 02:28:18,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:18,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603678635] [2021-10-11 02:28:18,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:18,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:18,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:18,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:18,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:18,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603678635] [2021-10-11 02:28:18,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:18,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:18,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478521173] [2021-10-11 02:28:18,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:18,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:18,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:18,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:18,679 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2021-10-11 02:28:18,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:18,730 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2021-10-11 02:28:18,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:18,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 02:28:18,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:18,732 INFO L225 Difference]: With dead ends: 343 [2021-10-11 02:28:18,733 INFO L226 Difference]: Without dead ends: 200 [2021-10-11 02:28:18,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:18,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-10-11 02:28:18,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-10-11 02:28:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-10-11 02:28:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-10-11 02:28:18,767 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2021-10-11 02:28:18,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:18,767 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-10-11 02:28:18,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-10-11 02:28:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:28:18,768 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:18,769 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, 1, 1, 1] [2021-10-11 02:28:18,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:28:18,987 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:18,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:18,987 INFO L82 PathProgramCache]: Analyzing trace with hash 728525800, now seen corresponding path program 1 times [2021-10-11 02:28:18,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:18,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399161375] [2021-10-11 02:28:18,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:19,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:19,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:19,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:19,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399161375] [2021-10-11 02:28:19,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:19,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:28:19,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176451119] [2021-10-11 02:28:19,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:28:19,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:19,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:28:19,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:28:19,256 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 6 states. [2021-10-11 02:28:20,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:20,916 INFO L93 Difference]: Finished difference Result 669 states and 871 transitions. [2021-10-11 02:28:20,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:28:20,916 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 02:28:20,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:20,919 INFO L225 Difference]: With dead ends: 669 [2021-10-11 02:28:20,920 INFO L226 Difference]: Without dead ends: 476 [2021-10-11 02:28:20,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:28:20,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-10-11 02:28:20,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 200. [2021-10-11 02:28:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-10-11 02:28:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2021-10-11 02:28:20,953 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2021-10-11 02:28:20,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:20,953 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2021-10-11 02:28:20,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:28:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2021-10-11 02:28:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:28:20,954 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:20,954 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:21,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:28:21,175 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:21,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:21,175 INFO L82 PathProgramCache]: Analyzing trace with hash 980113013, now seen corresponding path program 1 times [2021-10-11 02:28:21,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:21,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253766020] [2021-10-11 02:28:21,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/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 02:28:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:21,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:21,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:28:21,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:21,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253766020] [2021-10-11 02:28:21,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:21,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:28:21,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328145455] [2021-10-11 02:28:21,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:28:21,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:21,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:28:21,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:28:21,498 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 6 states. [2021-10-11 02:28:23,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:23,540 INFO L93 Difference]: Finished difference Result 499 states and 642 transitions. [2021-10-11 02:28:23,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:28:23,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-10-11 02:28:23,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:23,542 INFO L225 Difference]: With dead ends: 499 [2021-10-11 02:28:23,542 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:23,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:28:23,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:23,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:23,544 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 02:28:23,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:23,545 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:23,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:28:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:23,545 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:23,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:28:23,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:24,151 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 46 [2021-10-11 02:28:24,420 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2021-10-11 02:28:24,582 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 105 [2021-10-11 02:28:24,728 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2021-10-11 02:28:24,849 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2021-10-11 02:28:25,013 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2021-10-11 02:28:25,252 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 24 [2021-10-11 02:28:25,556 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 17 [2021-10-11 02:28:25,676 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2021-10-11 02:28:26,139 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2021-10-11 02:28:26,730 WARN L197 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 15 [2021-10-11 02:28:26,868 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 19 [2021-10-11 02:28:27,674 WARN L197 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 15 [2021-10-11 02:28:28,417 WARN L197 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 20 [2021-10-11 02:28:28,917 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 15 [2021-10-11 02:28:29,177 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2021-10-11 02:28:29,650 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 17 [2021-10-11 02:28:29,952 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2021-10-11 02:28:30,015 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-11 02:28:30,015 INFO L262 CegarLoopResult]: For program point L696(lines 696 704) no Hoare annotation was computed. [2021-10-11 02:28:30,015 INFO L262 CegarLoopResult]: For program point L696-1(lines 696 704) no Hoare annotation was computed. [2021-10-11 02:28:30,015 INFO L262 CegarLoopResult]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2021-10-11 02:28:30,015 INFO L262 CegarLoopResult]: For program point L696-3(lines 696 704) no Hoare annotation was computed. [2021-10-11 02:28:30,016 INFO L262 CegarLoopResult]: For program point L696-4(lines 696 704) no Hoare annotation was computed. [2021-10-11 02:28:30,016 INFO L262 CegarLoopResult]: For program point L696-5(lines 696 704) no Hoare annotation was computed. [2021-10-11 02:28:30,016 INFO L258 CegarLoopResult]: At program point L962(lines 913 963) the Hoare annotation is: false [2021-10-11 02:28:30,016 INFO L258 CegarLoopResult]: At program point L667(lines 667 673) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse3))) [2021-10-11 02:28:30,016 INFO L262 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2021-10-11 02:28:30,016 INFO L258 CegarLoopResult]: At program point L667-1(lines 667 673) the Hoare annotation is: false [2021-10-11 02:28:30,017 INFO L258 CegarLoopResult]: At program point L667-2(lines 667 673) the Hoare annotation is: false [2021-10-11 02:28:30,017 INFO L265 CegarLoopResult]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2021-10-11 02:28:30,017 INFO L262 CegarLoopResult]: For program point L536(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:28:30,017 INFO L262 CegarLoopResult]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:28:30,017 INFO L262 CegarLoopResult]: For program point L536-2(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:28:30,017 INFO L262 CegarLoopResult]: For program point L536-3(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:28:30,017 INFO L262 CegarLoopResult]: For program point L536-4(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:28:30,018 INFO L262 CegarLoopResult]: For program point L536-5(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:28:30,018 INFO L262 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2021-10-11 02:28:30,018 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,018 INFO L262 CegarLoopResult]: For program point L934(lines 934 940) no Hoare annotation was computed. [2021-10-11 02:28:30,018 INFO L258 CegarLoopResult]: At program point L934-1(lines 934 940) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:28:30,018 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-11 02:28:30,019 INFO L262 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,019 INFO L262 CegarLoopResult]: For program point L837-2(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,019 INFO L262 CegarLoopResult]: For program point L837-3(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,019 INFO L262 CegarLoopResult]: For program point L837-5(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,019 INFO L262 CegarLoopResult]: For program point L837-6(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,019 INFO L262 CegarLoopResult]: For program point L837-8(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,019 INFO L262 CegarLoopResult]: For program point L837-9(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,020 INFO L262 CegarLoopResult]: For program point L837-11(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,020 INFO L262 CegarLoopResult]: For program point L837-12(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,020 INFO L262 CegarLoopResult]: For program point L837-14(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,020 INFO L262 CegarLoopResult]: For program point L837-15(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,020 INFO L262 CegarLoopResult]: For program point L837-17(lines 837 841) no Hoare annotation was computed. [2021-10-11 02:28:30,020 INFO L258 CegarLoopResult]: At program point L871(lines 866 873) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,020 INFO L258 CegarLoopResult]: At program point L541(lines 532 545) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,021 INFO L258 CegarLoopResult]: At program point L541-1(lines 532 545) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:28:30,021 INFO L258 CegarLoopResult]: At program point L541-2(lines 532 545) the Hoare annotation is: false [2021-10-11 02:28:30,021 INFO L258 CegarLoopResult]: At program point L541-3(lines 532 545) the Hoare annotation is: false [2021-10-11 02:28:30,021 INFO L258 CegarLoopResult]: At program point L541-4(lines 532 545) the Hoare annotation is: false [2021-10-11 02:28:30,021 INFO L258 CegarLoopResult]: At program point L541-5(lines 532 545) the Hoare annotation is: false [2021-10-11 02:28:30,021 INFO L258 CegarLoopResult]: At program point L608(lines 604 610) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,021 INFO L265 CegarLoopResult]: At program point L643(lines 624 646) the Hoare annotation is: true [2021-10-11 02:28:30,022 INFO L258 CegarLoopResult]: At program point L843(lines 828 846) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,022 INFO L258 CegarLoopResult]: At program point L843-1(lines 828 846) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:28:30,022 INFO L258 CegarLoopResult]: At program point L843-2(lines 828 846) the Hoare annotation is: false [2021-10-11 02:28:30,022 INFO L258 CegarLoopResult]: At program point L843-3(lines 828 846) the Hoare annotation is: false [2021-10-11 02:28:30,022 INFO L258 CegarLoopResult]: At program point L843-4(lines 828 846) the Hoare annotation is: false [2021-10-11 02:28:30,022 INFO L258 CegarLoopResult]: At program point L843-5(lines 828 846) the Hoare annotation is: false [2021-10-11 02:28:30,022 INFO L262 CegarLoopResult]: For program point L944(lines 944 957) no Hoare annotation was computed. [2021-10-11 02:28:30,022 INFO L258 CegarLoopResult]: At program point L779(lines 772 782) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L779-1(lines 772 782) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L779-2(lines 772 782) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L779-3(lines 772 782) the Hoare annotation is: false [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L779-4(lines 772 782) the Hoare annotation is: false [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L779-5(lines 772 782) the Hoare annotation is: false [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L779-6(lines 772 782) the Hoare annotation is: false [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L779-7(lines 772 782) the Hoare annotation is: false [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L779-8(lines 772 782) the Hoare annotation is: false [2021-10-11 02:28:30,023 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:30,023 INFO L262 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-10-11 02:28:30,023 INFO L262 CegarLoopResult]: For program point L915(lines 914 961) no Hoare annotation was computed. [2021-10-11 02:28:30,023 INFO L262 CegarLoopResult]: For program point L882(lines 882 899) no Hoare annotation was computed. [2021-10-11 02:28:30,023 INFO L258 CegarLoopResult]: At program point L882-1(lines 1 969) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3 .cse2) (and .cse0 .cse3 .cse1 .cse2))) [2021-10-11 02:28:30,023 INFO L262 CegarLoopResult]: For program point L882-2(lines 882 899) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L258 CegarLoopResult]: At program point L882-3(lines 1 969) the Hoare annotation is: false [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L882-4(lines 882 899) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L258 CegarLoopResult]: At program point L882-5(lines 1 969) the Hoare annotation is: false [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L916(lines 916 920) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L952(lines 952 956) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L258 CegarLoopResult]: At program point L952-2(lines 660 666) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L886(lines 886 896) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L886-2(lines 886 896) no Hoare annotation was computed. [2021-10-11 02:28:30,024 INFO L262 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L886-4(lines 886 896) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L754-2(lines 754 760) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L754-4(lines 754 760) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L754-6(lines 754 760) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L754-8(lines 754 760) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L754-10(lines 754 760) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L887-2(lines 887 893) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L258 CegarLoopResult]: At program point L788(lines 783 791) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,025 INFO L258 CegarLoopResult]: At program point L788-1(lines 783 791) the Hoare annotation is: false [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L887-4(lines 887 893) no Hoare annotation was computed. [2021-10-11 02:28:30,025 INFO L262 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2021-10-11 02:28:30,026 INFO L258 CegarLoopResult]: At program point L788-2(lines 783 791) the Hoare annotation is: false [2021-10-11 02:28:30,026 INFO L262 CegarLoopResult]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2021-10-11 02:28:30,026 INFO L262 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2021-10-11 02:28:30,026 INFO L262 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-10-11 02:28:30,026 INFO L262 CegarLoopResult]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2021-10-11 02:28:30,026 INFO L262 CegarLoopResult]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2021-10-11 02:28:30,026 INFO L258 CegarLoopResult]: At program point L559-2(lines 559 573) the Hoare annotation is: false [2021-10-11 02:28:30,026 INFO L262 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:28:30,027 INFO L262 CegarLoopResult]: For program point L692-1(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:28:30,027 INFO L262 CegarLoopResult]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:28:30,027 INFO L262 CegarLoopResult]: For program point L692-3(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:28:30,027 INFO L262 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-11 02:28:30,027 INFO L262 CegarLoopResult]: For program point L692-4(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:28:30,027 INFO L262 CegarLoopResult]: For program point L692-5(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:28:30,027 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:30,027 INFO L262 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2021-10-11 02:28:30,028 INFO L258 CegarLoopResult]: At program point L924-1(lines 924 930) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3 .cse2) (and .cse0 .cse3 .cse1 .cse2))) [2021-10-11 02:28:30,028 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-11 02:28:30,028 INFO L258 CegarLoopResult]: At program point L660(lines 659 678) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:28:30,028 INFO L262 CegarLoopResult]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2021-10-11 02:28:30,028 INFO L258 CegarLoopResult]: At program point L660-2(lines 659 678) the Hoare annotation is: false [2021-10-11 02:28:30,028 INFO L258 CegarLoopResult]: At program point L660-3(lines 659 678) the Hoare annotation is: false [2021-10-11 02:28:30,029 INFO L258 CegarLoopResult]: At program point L496(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:28:30,029 INFO L258 CegarLoopResult]: At program point L496-1(lines 491 499) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,029 INFO L258 CegarLoopResult]: At program point L496-2(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2021-10-11 02:28:30,029 INFO L258 CegarLoopResult]: At program point L496-3(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:28:30,029 INFO L258 CegarLoopResult]: At program point L496-4(lines 491 499) the Hoare annotation is: false [2021-10-11 02:28:30,029 INFO L258 CegarLoopResult]: At program point L496-5(lines 491 499) the Hoare annotation is: false [2021-10-11 02:28:30,030 INFO L258 CegarLoopResult]: At program point L496-6(lines 491 499) the Hoare annotation is: false [2021-10-11 02:28:30,030 INFO L258 CegarLoopResult]: At program point L496-7(lines 491 499) the Hoare annotation is: false [2021-10-11 02:28:30,030 INFO L258 CegarLoopResult]: At program point L496-8(lines 491 499) the Hoare annotation is: false [2021-10-11 02:28:30,030 INFO L258 CegarLoopResult]: At program point L496-9(lines 491 499) the Hoare annotation is: false [2021-10-11 02:28:30,030 INFO L258 CegarLoopResult]: At program point L496-10(lines 491 499) the Hoare annotation is: false [2021-10-11 02:28:30,030 INFO L258 CegarLoopResult]: At program point L496-11(lines 491 499) the Hoare annotation is: false [2021-10-11 02:28:30,030 INFO L258 CegarLoopResult]: At program point L67(lines 1 969) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:30,031 INFO L262 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2021-10-11 02:28:30,031 INFO L262 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2021-10-11 02:28:30,031 INFO L262 CegarLoopResult]: For program point L860-2(line 860) no Hoare annotation was computed. [2021-10-11 02:28:30,031 INFO L262 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2021-10-11 02:28:30,031 INFO L262 CegarLoopResult]: For program point L563-1(lines 660 666) no Hoare annotation was computed. [2021-10-11 02:28:30,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:30 BoogieIcfgContainer [2021-10-11 02:28:30,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:30,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:30,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:30,075 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:30,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:12" (3/4) ... [2021-10-11 02:28:30,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:30,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:28:30,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:28:30,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:28:30,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:28:30,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:30,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:30,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:30,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:30,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:30,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:30,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:30,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:30,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:30,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:30,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:30,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:30,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:30,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:30,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:30,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:30,203 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b39bd10-e7cf-4b57-b377-7bb68b34a138/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:30,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:30,205 INFO L168 Benchmark]: Toolchain (without parser) took 21116.10 ms. Allocated memory was 52.4 MB in the beginning and 107.0 MB in the end (delta: 54.5 MB). Free memory was 28.3 MB in the beginning and 55.6 MB in the end (delta: -27.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:30,205 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:30,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.09 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.1 MB in the beginning and 37.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:30,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.09 ms. Allocated memory is still 71.3 MB. Free memory was 37.8 MB in the beginning and 52.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:30,206 INFO L168 Benchmark]: Boogie Preprocessor took 79.59 ms. Allocated memory is still 71.3 MB. Free memory was 52.0 MB in the beginning and 49.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:30,207 INFO L168 Benchmark]: RCFGBuilder took 2790.69 ms. Allocated memory is still 71.3 MB. Free memory was 49.1 MB in the beginning and 28.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:30,207 INFO L168 Benchmark]: TraceAbstraction took 17193.16 ms. Allocated memory was 71.3 MB in the beginning and 107.0 MB in the end (delta: 35.7 MB). Free memory was 27.9 MB in the beginning and 67.1 MB in the end (delta: -39.2 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:30,208 INFO L168 Benchmark]: Witness Printer took 129.59 ms. Allocated memory is still 107.0 MB. Free memory was 67.1 MB in the beginning and 55.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:30,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 777.09 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.1 MB in the beginning and 37.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.09 ms. Allocated memory is still 71.3 MB. Free memory was 37.8 MB in the beginning and 52.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.59 ms. Allocated memory is still 71.3 MB. Free memory was 52.0 MB in the beginning and 49.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2790.69 ms. Allocated memory is still 71.3 MB. Free memory was 49.1 MB in the beginning and 28.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17193.16 ms. Allocated memory was 71.3 MB in the beginning and 107.0 MB in the end (delta: 35.7 MB). Free memory was 27.9 MB in the beginning and 67.1 MB in the end (delta: -39.2 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. * Witness Printer took 129.59 ms. Allocated memory is still 107.0 MB. Free memory was 67.1 MB in the beginning and 55.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 860]: 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: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1243 SDtfs, 1581 SDslu, 2088 SDs, 0 SdLazy, 341 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 823 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 202 NumberOfFragments, 690 HoareAnnotationTreeSize, 56 FomulaSimplifications, 389461 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 87372 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 21542 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2341 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...