./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.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_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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_d731f321-ac92-42ab-aca7-9b43063cc767/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 ec670bcbf6c6e1b5a4e4315225f9cccdc4aca27e ............................................................................................................................................ 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_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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_d731f321-ac92-42ab-aca7-9b43063cc767/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 ec670bcbf6c6e1b5a4e4315225f9cccdc4aca27e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:20:20,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:20,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:20,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:20,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:20,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:20,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:20,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:20,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:20,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:20,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:20,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:20,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:20,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:20,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:20,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:20,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:20,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:20,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:20,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:20,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:20,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:20,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:20,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:20,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:20,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:20,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:20,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:20,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:20,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:20,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:20,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:20,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:20,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:20,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:20,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:20,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:20,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:20,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:20,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:20,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:20,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:20,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:20,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:20,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:20,244 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:20,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:20,244 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:20,244 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:20,244 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:20,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:20,245 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:20,245 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:20,245 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:20,245 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:20,245 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:20,246 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:20,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:20,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:20,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:20,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:20,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:20,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:20,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:20,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:20,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:20,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:20,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:20,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:20,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:20,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:20,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:20,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:20,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:20,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:20,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:20,250 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:20,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:20,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:20,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:20,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:20,251 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_d731f321-ac92-42ab-aca7-9b43063cc767/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec670bcbf6c6e1b5a4e4315225f9cccdc4aca27e [2021-10-11 02:20:20,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:20,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:20,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:20,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:20,597 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:20,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-10-11 02:20:20,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data/8e11a4bbf/af355ee320df437fae03878974971b4d/FLAG537e8d93d [2021-10-11 02:20:21,207 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:21,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-10-11 02:20:21,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data/8e11a4bbf/af355ee320df437fae03878974971b4d/FLAG537e8d93d [2021-10-11 02:20:21,533 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data/8e11a4bbf/af355ee320df437fae03878974971b4d [2021-10-11 02:20:21,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:21,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:21,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:21,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:21,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:21,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:21" (1/1) ... [2021-10-11 02:20:21,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3008ad29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:21, skipping insertion in model container [2021-10-11 02:20:21,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:21" (1/1) ... [2021-10-11 02:20:21,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:21,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:21,937 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_d731f321-ac92-42ab-aca7-9b43063cc767/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18209,18222] [2021-10-11 02:20:21,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:21,976 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 02:20:21,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9e37858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:21, skipping insertion in model container [2021-10-11 02:20:21,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:21,989 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:20:21,991 INFO L168 Benchmark]: Toolchain (without parser) took 451.52 ms. Allocated memory is still 130.0 MB. Free memory was 92.7 MB in the beginning and 100.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:21,993 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 104.1 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:21,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.85 ms. Allocated memory is still 130.0 MB. Free memory was 92.3 MB in the beginning and 100.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:21,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 104.1 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.85 ms. Allocated memory is still 130.0 MB. Free memory was 92.3 MB in the beginning and 100.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 510]: 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 02:20:24,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:24,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:24,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:24,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:24,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:24,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:24,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:24,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:24,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:24,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:24,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:24,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:24,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:24,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:24,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:24,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:24,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:24,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:24,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:24,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:24,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:24,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:24,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:24,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:24,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:24,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:24,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:24,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:24,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:24,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:24,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:24,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:24,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:24,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:24,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:24,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:24,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:24,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:24,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:24,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:24,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:20:24,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:24,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:24,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:24,467 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:24,467 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:24,468 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:24,468 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:24,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:24,468 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:24,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:24,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:24,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:24,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:24,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:24,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:24,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:24,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:24,472 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:20:24,473 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:20:24,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:24,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:24,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:24,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:24,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:24,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:20:24,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:24,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:24,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:24,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:24,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:24,475 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:20:24,475 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:24,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:24,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:24,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:24,476 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_d731f321-ac92-42ab-aca7-9b43063cc767/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec670bcbf6c6e1b5a4e4315225f9cccdc4aca27e [2021-10-11 02:20:24,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:24,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:24,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:24,876 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:24,877 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:24,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-10-11 02:20:24,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data/fb5bfaf09/bf51157808f94deb8206bbc57c5ff351/FLAGfc71bb283 [2021-10-11 02:20:25,671 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:25,672 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-10-11 02:20:25,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data/fb5bfaf09/bf51157808f94deb8206bbc57c5ff351/FLAGfc71bb283 [2021-10-11 02:20:25,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/data/fb5bfaf09/bf51157808f94deb8206bbc57c5ff351 [2021-10-11 02:20:25,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:25,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:25,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:25,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:25,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:25,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:25" (1/1) ... [2021-10-11 02:20:25,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12aa6878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:25, skipping insertion in model container [2021-10-11 02:20:25,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:25" (1/1) ... [2021-10-11 02:20:25,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:26,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:26,410 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_d731f321-ac92-42ab-aca7-9b43063cc767/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18209,18222] [2021-10-11 02:20:26,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:26,442 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:20:26,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:26,550 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_d731f321-ac92-42ab-aca7-9b43063cc767/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18209,18222] [2021-10-11 02:20:26,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:26,556 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:26,606 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_d731f321-ac92-42ab-aca7-9b43063cc767/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18209,18222] [2021-10-11 02:20:26,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:26,659 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:26,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26 WrapperNode [2021-10-11 02:20:26,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:26,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:26,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:26,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:26,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:26,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:26,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:26,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:26,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... [2021-10-11 02:20:26,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:26,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:26,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:26,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:26,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:20:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:29,548 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:29,548 INFO L299 CfgBuilder]: Removed 278 assume(true) statements. [2021-10-11 02:20:29,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:29 BoogieIcfgContainer [2021-10-11 02:20:29,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:29,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:29,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:29,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:29,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:25" (1/3) ... [2021-10-11 02:20:29,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e85b536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:29, skipping insertion in model container [2021-10-11 02:20:29,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:26" (2/3) ... [2021-10-11 02:20:29,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e85b536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:29, skipping insertion in model container [2021-10-11 02:20:29,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:29" (3/3) ... [2021-10-11 02:20:29,560 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2021-10-11 02:20:29,577 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:29,582 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:20:29,595 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:20:29,620 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:29,621 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:29,621 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:29,621 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:29,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:29,621 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:29,622 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:29,622 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2021-10-11 02:20:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:20:29,646 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:29,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:29,647 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:29,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:29,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2021-10-11 02:20:29,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:29,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342534605] [2021-10-11 02:20:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:29,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:20:29,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:29,930 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 02:20:29,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:29,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342534605] [2021-10-11 02:20:29,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:29,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:29,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828283618] [2021-10-11 02:20:29,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:20:29,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:29,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:20:29,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:29,952 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2021-10-11 02:20:29,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:29,991 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-11 02:20:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:20:29,992 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:20:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:30,004 INFO L225 Difference]: With dead ends: 372 [2021-10-11 02:20:30,004 INFO L226 Difference]: Without dead ends: 185 [2021-10-11 02:20:30,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:30,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-11 02:20:30,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-11 02:20:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2021-10-11 02:20:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-11 02:20:30,065 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-11 02:20:30,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:30,066 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-11 02:20:30,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:20:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-11 02:20:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:20:30,067 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:30,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:30,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:20:30,277 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:30,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:30,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2021-10-11 02:20:30,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:30,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817460137] [2021-10-11 02:20:30,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:30,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:30,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:30,591 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 02:20:30,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:30,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817460137] [2021-10-11 02:20:30,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:30,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:30,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618079239] [2021-10-11 02:20:30,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:30,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:30,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:30,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:30,596 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2021-10-11 02:20:30,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:30,616 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-11 02:20:30,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:30,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:20:30,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:30,618 INFO L225 Difference]: With dead ends: 185 [2021-10-11 02:20:30,619 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:20:30,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:30,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:20:30,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:20:30,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:20:30,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-11 02:20:30,630 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-11 02:20:30,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:30,631 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-11 02:20:30,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:30,631 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-11 02:20:30,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:20:30,632 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:30,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:30,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:20:30,848 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:30,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:30,849 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2021-10-11 02:20:30,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:30,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736863538] [2021-10-11 02:20:30,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:31,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:31,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:31,091 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 02:20:31,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:31,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736863538] [2021-10-11 02:20:31,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:31,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:31,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148538668] [2021-10-11 02:20:31,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:31,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:31,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:31,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:31,104 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2021-10-11 02:20:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:31,161 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-11 02:20:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:31,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:20:31,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:31,165 INFO L225 Difference]: With dead ends: 136 [2021-10-11 02:20:31,165 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:20:31,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:31,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:20:31,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:20:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:20:31,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-11 02:20:31,178 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-11 02:20:31,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:31,178 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-11 02:20:31,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-11 02:20:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:20:31,180 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:31,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:31,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:20:31,381 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:31,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:31,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2021-10-11 02:20:31,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:31,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916838422] [2021-10-11 02:20:31,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:31,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:31,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:31,658 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 02:20:31,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:31,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916838422] [2021-10-11 02:20:31,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:31,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:31,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344629780] [2021-10-11 02:20:31,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:31,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:31,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:31,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:31,661 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2021-10-11 02:20:31,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:31,748 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-11 02:20:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:31,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:20:31,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:31,751 INFO L225 Difference]: With dead ends: 145 [2021-10-11 02:20:31,751 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 02:20:31,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 02:20:31,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 02:20:31,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-11 02:20:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-10-11 02:20:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-11 02:20:31,769 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-11 02:20:31,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:31,769 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-11 02:20:31,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-11 02:20:31,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:20:31,771 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:31,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:31,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:20:31,990 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:31,990 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2021-10-11 02:20:31,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:31,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767939540] [2021-10-11 02:20:31,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:32,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:32,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:32,266 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 02:20:32,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:32,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767939540] [2021-10-11 02:20:32,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:32,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:32,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191258247] [2021-10-11 02:20:32,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:32,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:32,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:32,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:32,269 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2021-10-11 02:20:32,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:32,396 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-11 02:20:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:20:32,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:20:32,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:32,399 INFO L225 Difference]: With dead ends: 204 [2021-10-11 02:20:32,399 INFO L226 Difference]: Without dead ends: 132 [2021-10-11 02:20:32,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:20:32,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-11 02:20:32,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-11 02:20:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-10-11 02:20:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-11 02:20:32,429 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-11 02:20:32,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:32,430 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-11 02:20:32,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-11 02:20:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:20:32,431 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:32,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:32,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:20:32,643 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:32,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:32,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2021-10-11 02:20:32,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:32,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663256036] [2021-10-11 02:20:32,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:32,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:32,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:32,895 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 02:20:32,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:32,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663256036] [2021-10-11 02:20:32,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:32,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:32,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350527329] [2021-10-11 02:20:32,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:32,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:32,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:32,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:32,899 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2021-10-11 02:20:33,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:33,026 INFO L93 Difference]: Finished difference Result 300 states and 417 transitions. [2021-10-11 02:20:33,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:20:33,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:20:33,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:33,028 INFO L225 Difference]: With dead ends: 300 [2021-10-11 02:20:33,028 INFO L226 Difference]: Without dead ends: 219 [2021-10-11 02:20:33,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:20:33,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-11 02:20:33,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 131. [2021-10-11 02:20:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:20:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2021-10-11 02:20:33,058 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 31 [2021-10-11 02:20:33,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:33,059 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2021-10-11 02:20:33,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2021-10-11 02:20:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:20:33,060 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:33,060 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 02:20:33,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:20:33,276 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:33,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:33,277 INFO L82 PathProgramCache]: Analyzing trace with hash -370370771, now seen corresponding path program 1 times [2021-10-11 02:20:33,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:33,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256381174] [2021-10-11 02:20:33,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:33,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:20:33,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:33,522 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 02:20:33,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:33,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256381174] [2021-10-11 02:20:33,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:33,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:33,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543413018] [2021-10-11 02:20:33,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:33,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:33,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:33,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:33,524 INFO L87 Difference]: Start difference. First operand 131 states and 176 transitions. Second operand 4 states. [2021-10-11 02:20:34,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:34,786 INFO L93 Difference]: Finished difference Result 343 states and 472 transitions. [2021-10-11 02:20:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:20:34,787 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 02:20:34,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:34,791 INFO L225 Difference]: With dead ends: 343 [2021-10-11 02:20:34,791 INFO L226 Difference]: Without dead ends: 262 [2021-10-11 02:20:34,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:34,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2021-10-11 02:20:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 255. [2021-10-11 02:20:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2021-10-11 02:20:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 344 transitions. [2021-10-11 02:20:34,844 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 344 transitions. Word has length 32 [2021-10-11 02:20:34,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:34,844 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 344 transitions. [2021-10-11 02:20:34,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 344 transitions. [2021-10-11 02:20:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:20:34,845 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:34,847 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 02:20:35,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:20:35,059 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:35,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:35,060 INFO L82 PathProgramCache]: Analyzing trace with hash -112205333, now seen corresponding path program 1 times [2021-10-11 02:20:35,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:35,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221730828] [2021-10-11 02:20:35,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:35,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:20:35,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:35,277 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 02:20:35,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:35,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221730828] [2021-10-11 02:20:35,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:35,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:35,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361264204] [2021-10-11 02:20:35,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:35,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:35,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:35,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:35,279 INFO L87 Difference]: Start difference. First operand 255 states and 344 transitions. Second operand 4 states. [2021-10-11 02:20:35,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:35,385 INFO L93 Difference]: Finished difference Result 673 states and 920 transitions. [2021-10-11 02:20:35,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:35,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 02:20:35,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:35,388 INFO L225 Difference]: With dead ends: 673 [2021-10-11 02:20:35,389 INFO L226 Difference]: Without dead ends: 465 [2021-10-11 02:20:35,389 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 02:20:35,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-10-11 02:20:35,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 258. [2021-10-11 02:20:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2021-10-11 02:20:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 346 transitions. [2021-10-11 02:20:35,416 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 346 transitions. Word has length 32 [2021-10-11 02:20:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:35,416 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 346 transitions. [2021-10-11 02:20:35,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 346 transitions. [2021-10-11 02:20:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:20:35,418 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:35,418 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 02:20:35,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:20:35,637 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:35,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:35,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1127223910, now seen corresponding path program 1 times [2021-10-11 02:20:35,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:35,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242406604] [2021-10-11 02:20:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:35,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:20:35,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:35,876 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 02:20:35,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:35,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242406604] [2021-10-11 02:20:35,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:35,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:35,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764202272] [2021-10-11 02:20:35,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:20:35,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:35,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:20:35,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:20:35,878 INFO L87 Difference]: Start difference. First operand 258 states and 346 transitions. Second operand 6 states. [2021-10-11 02:20:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:37,426 INFO L93 Difference]: Finished difference Result 538 states and 720 transitions. [2021-10-11 02:20:37,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:20:37,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-10-11 02:20:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:37,429 INFO L225 Difference]: With dead ends: 538 [2021-10-11 02:20:37,429 INFO L226 Difference]: Without dead ends: 327 [2021-10-11 02:20:37,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:20:37,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-10-11 02:20:37,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 254. [2021-10-11 02:20:37,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2021-10-11 02:20:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 338 transitions. [2021-10-11 02:20:37,455 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 338 transitions. Word has length 32 [2021-10-11 02:20:37,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:37,457 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 338 transitions. [2021-10-11 02:20:37,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:20:37,457 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 338 transitions. [2021-10-11 02:20:37,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-11 02:20:37,465 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:37,465 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:37,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:20:37,678 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:37,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:37,678 INFO L82 PathProgramCache]: Analyzing trace with hash -165583408, now seen corresponding path program 1 times [2021-10-11 02:20:37,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:37,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817149691] [2021-10-11 02:20:37,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:37,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:20:37,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:20:37,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:37,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817149691] [2021-10-11 02:20:37,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:37,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:37,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040011496] [2021-10-11 02:20:37,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:37,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:37,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:37,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:37,925 INFO L87 Difference]: Start difference. First operand 254 states and 338 transitions. Second operand 4 states. [2021-10-11 02:20:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:38,012 INFO L93 Difference]: Finished difference Result 546 states and 727 transitions. [2021-10-11 02:20:38,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:20:38,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2021-10-11 02:20:38,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:38,014 INFO L225 Difference]: With dead ends: 546 [2021-10-11 02:20:38,014 INFO L226 Difference]: Without dead ends: 298 [2021-10-11 02:20:38,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 02:20:38,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-11 02:20:38,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 228. [2021-10-11 02:20:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 02:20:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 295 transitions. [2021-10-11 02:20:38,040 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 295 transitions. Word has length 49 [2021-10-11 02:20:38,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:38,040 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 295 transitions. [2021-10-11 02:20:38,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 295 transitions. [2021-10-11 02:20:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-11 02:20:38,041 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:38,041 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:38,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:20:38,264 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:38,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:38,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1786964048, now seen corresponding path program 1 times [2021-10-11 02:20:38,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:38,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222167555] [2021-10-11 02:20:38,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/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 02:20:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:38,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:20:38,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:20:38,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:38,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222167555] [2021-10-11 02:20:38,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:38,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:38,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611375699] [2021-10-11 02:20:38,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:20:38,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:38,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:20:38,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:20:38,520 INFO L87 Difference]: Start difference. First operand 228 states and 295 transitions. Second operand 6 states. [2021-10-11 02:20:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:38,749 INFO L93 Difference]: Finished difference Result 1132 states and 1511 transitions. [2021-10-11 02:20:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:20:38,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2021-10-11 02:20:38,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:38,755 INFO L225 Difference]: With dead ends: 1132 [2021-10-11 02:20:38,756 INFO L226 Difference]: Without dead ends: 910 [2021-10-11 02:20:38,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:20:38,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2021-10-11 02:20:38,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 448. [2021-10-11 02:20:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2021-10-11 02:20:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 574 transitions. [2021-10-11 02:20:38,807 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 574 transitions. Word has length 50 [2021-10-11 02:20:38,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:38,807 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 574 transitions. [2021-10-11 02:20:38,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:20:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 574 transitions. [2021-10-11 02:20:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:20:38,809 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:38,809 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] [2021-10-11 02:20:39,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:20:39,024 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:39,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:39,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1138581304, now seen corresponding path program 1 times [2021-10-11 02:20:39,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:39,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564420271] [2021-10-11 02:20:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:39,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:20:39,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:39,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:20:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:39,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564420271] [2021-10-11 02:20:39,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1834083890] [2021-10-11 02:20:39,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:39,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:39,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:20:39,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:39,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:20:39,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-10-11 02:20:39,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599159119] [2021-10-11 02:20:39,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:39,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:39,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:39,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:20:39,670 INFO L87 Difference]: Start difference. First operand 448 states and 574 transitions. Second operand 5 states. [2021-10-11 02:20:40,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:40,011 INFO L93 Difference]: Finished difference Result 1238 states and 1577 transitions. [2021-10-11 02:20:40,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:20:40,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 02:20:40,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:40,019 INFO L225 Difference]: With dead ends: 1238 [2021-10-11 02:20:40,019 INFO L226 Difference]: Without dead ends: 1236 [2021-10-11 02:20:40,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:20:40,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2021-10-11 02:20:40,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 448. [2021-10-11 02:20:40,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2021-10-11 02:20:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 570 transitions. [2021-10-11 02:20:40,101 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 570 transitions. Word has length 51 [2021-10-11 02:20:40,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:40,102 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 570 transitions. [2021-10-11 02:20:40,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 570 transitions. [2021-10-11 02:20:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-11 02:20:40,103 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:40,104 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:40,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3 [2021-10-11 02:20:40,506 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:40,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:40,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2021-10-11 02:20:40,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:40,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087771833] [2021-10-11 02:20:40,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:40,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:20:40,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:40,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:20:40,780 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:20:40,780 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:20:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:40,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087771833] [2021-10-11 02:20:40,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1312359523] [2021-10-11 02:20:40,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:41,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:20:41,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:41,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:20:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:41,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802840316] [2021-10-11 02:20:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:20:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:41,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:20:41,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:41,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:20:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:41,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:20:41,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-11 02:20:41,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966502007] [2021-10-11 02:20:41,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-10-11 02:20:41,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:41,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 02:20:41,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:20:41,546 INFO L87 Difference]: Start difference. First operand 448 states and 570 transitions. Second operand 13 states. [2021-10-11 02:20:48,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:48,482 INFO L93 Difference]: Finished difference Result 4407 states and 5696 transitions. [2021-10-11 02:20:48,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-11 02:20:48,483 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2021-10-11 02:20:48,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:48,504 INFO L225 Difference]: With dead ends: 4407 [2021-10-11 02:20:48,504 INFO L226 Difference]: Without dead ends: 4013 [2021-10-11 02:20:48,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2233 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-11 02:20:48,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4013 states. [2021-10-11 02:20:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4013 to 634. [2021-10-11 02:20:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2021-10-11 02:20:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 828 transitions. [2021-10-11 02:20:48,615 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 828 transitions. Word has length 57 [2021-10-11 02:20:48,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:48,616 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 828 transitions. [2021-10-11 02:20:48,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-10-11 02:20:48,616 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 828 transitions. [2021-10-11 02:20:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 02:20:48,617 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:48,618 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:49,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt,15 mathsat -unsat_core_generation=3,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:20:49,239 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:49,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:49,239 INFO L82 PathProgramCache]: Analyzing trace with hash 458144868, now seen corresponding path program 1 times [2021-10-11 02:20:49,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:49,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855279833] [2021-10-11 02:20:49,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:49,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:49,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:20:49,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:49,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855279833] [2021-10-11 02:20:49,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:49,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:49,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663559656] [2021-10-11 02:20:49,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:49,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:49,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:49,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:49,527 INFO L87 Difference]: Start difference. First operand 634 states and 828 transitions. Second operand 5 states. [2021-10-11 02:20:49,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:49,618 INFO L93 Difference]: Finished difference Result 1012 states and 1296 transitions. [2021-10-11 02:20:49,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:49,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-10-11 02:20:49,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:49,619 INFO L225 Difference]: With dead ends: 1012 [2021-10-11 02:20:49,619 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:20:49,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 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 02:20:49,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:20:49,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:20:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:20:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:20:49,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-11 02:20:49,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:49,622 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:20:49,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:20:49,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:20:49,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2021-10-11 02:20:49,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:20:50,154 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 100 [2021-10-11 02:20:50,508 WARN L197 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 160 [2021-10-11 02:20:50,838 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 143 [2021-10-11 02:20:51,223 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 163 [2021-10-11 02:20:51,379 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 115 [2021-10-11 02:20:51,665 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 162 [2021-10-11 02:20:51,851 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-10-11 02:20:52,095 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 155 [2021-10-11 02:20:52,914 WARN L197 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 39 [2021-10-11 02:20:54,380 WARN L197 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 156 DAG size of output: 37 [2021-10-11 02:20:55,544 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 138 DAG size of output: 36 [2021-10-11 02:20:55,712 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 26 [2021-10-11 02:20:56,967 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2021-10-11 02:20:57,130 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 20 [2021-10-11 02:20:57,818 WARN L197 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 33 [2021-10-11 02:20:59,212 WARN L197 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2021-10-11 02:20:59,379 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2021-10-11 02:21:00,089 WARN L197 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 42 [2021-10-11 02:21:01,306 WARN L197 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2021-10-11 02:21:01,724 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 28 [2021-10-11 02:21:01,873 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2021-10-11 02:21:02,026 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2021-10-11 02:21:02,208 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 20 [2021-10-11 02:21:02,214 INFO L262 CegarLoopResult]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,214 INFO L262 CegarLoopResult]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,214 INFO L262 CegarLoopResult]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,214 INFO L262 CegarLoopResult]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,214 INFO L262 CegarLoopResult]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,215 INFO L262 CegarLoopResult]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,215 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-10-11 02:21:02,215 INFO L258 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: false [2021-10-11 02:21:02,215 INFO L258 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2021-10-11 02:21:02,215 INFO L258 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2021-10-11 02:21:02,215 INFO L262 CegarLoopResult]: For program point L468(lines 468 475) no Hoare annotation was computed. [2021-10-11 02:21:02,215 INFO L265 CegarLoopResult]: At program point L468-1(lines 468 475) the Hoare annotation is: true [2021-10-11 02:21:02,215 INFO L262 CegarLoopResult]: For program point L369(lines 369 375) no Hoare annotation was computed. [2021-10-11 02:21:02,216 INFO L262 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,216 INFO L262 CegarLoopResult]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2021-10-11 02:21:02,216 INFO L262 CegarLoopResult]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,216 INFO L262 CegarLoopResult]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,216 INFO L262 CegarLoopResult]: For program point L369-4(lines 369 375) no Hoare annotation was computed. [2021-10-11 02:21:02,216 INFO L262 CegarLoopResult]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,216 INFO L258 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3))) [2021-10-11 02:21:02,217 INFO L262 CegarLoopResult]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,217 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 02:21:02,217 INFO L258 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2021-10-11 02:21:02,217 INFO L262 CegarLoopResult]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L258 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L931(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L931-1(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L931-2(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,218 INFO L262 CegarLoopResult]: For program point L931-3(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,219 INFO L262 CegarLoopResult]: For program point L931-4(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,219 INFO L262 CegarLoopResult]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:21:02,219 INFO L262 CegarLoopResult]: For program point L931-5(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,219 INFO L262 CegarLoopResult]: For program point L931-6(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,219 INFO L262 CegarLoopResult]: For program point L931-7(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,219 INFO L262 CegarLoopResult]: For program point L931-8(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,219 INFO L262 CegarLoopResult]: For program point L931-9(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,220 INFO L262 CegarLoopResult]: For program point L931-10(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,220 INFO L262 CegarLoopResult]: For program point L931-11(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:21:02,220 INFO L262 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2021-10-11 02:21:02,220 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-10-11 02:21:02,220 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and .cse0 .cse2 .cse3 .cse4) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse3 .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936-1(lines 927 940) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936-2(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936-3(lines 927 940) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3 .cse4) (and .cse0 .cse3 .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)))) [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936-4(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936-5(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936-6(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936-7(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,222 INFO L258 CegarLoopResult]: At program point L936-8(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L936-9(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L936-10(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L936-11(lines 927 940) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L342(lines 327 345) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-10-11 02:21:02,223 INFO L258 CegarLoopResult]: At program point L442(lines 438 444) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:02,223 INFO L265 CegarLoopResult]: At program point L477(lines 458 480) the Hoare annotation is: true [2021-10-11 02:21:02,223 INFO L262 CegarLoopResult]: For program point L215(lines 215 232) no Hoare annotation was computed. [2021-10-11 02:21:02,223 INFO L262 CegarLoopResult]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2021-10-11 02:21:02,223 INFO L262 CegarLoopResult]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L878(lines 878 882) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,224 INFO L262 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L219(lines 219 227) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2021-10-11 02:21:02,225 INFO L262 CegarLoopResult]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:21:02,226 INFO L262 CegarLoopResult]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2021-10-11 02:21:02,226 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 02:21:02,226 INFO L258 CegarLoopResult]: At program point L946(lines 941 949) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:21:02,226 INFO L258 CegarLoopResult]: At program point L946-1(lines 941 949) the Hoare annotation is: false [2021-10-11 02:21:02,226 INFO L258 CegarLoopResult]: At program point L946-2(lines 941 949) the Hoare annotation is: false [2021-10-11 02:21:02,226 INFO L258 CegarLoopResult]: At program point L946-3(lines 941 949) the Hoare annotation is: false [2021-10-11 02:21:02,226 INFO L258 CegarLoopResult]: At program point L946-4(lines 941 949) the Hoare annotation is: false [2021-10-11 02:21:02,227 INFO L258 CegarLoopResult]: At program point L946-5(lines 941 949) the Hoare annotation is: false [2021-10-11 02:21:02,227 INFO L262 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:21:02,227 INFO L262 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:21:02,227 INFO L262 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:21:02,227 INFO L262 CegarLoopResult]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:21:02,227 INFO L262 CegarLoopResult]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:21:02,227 INFO L262 CegarLoopResult]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:21:02,227 INFO L258 CegarLoopResult]: At program point L982(lines 1 993) 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 02:21:02,227 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:21:02,227 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 02:21:02,227 INFO L258 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse6 .cse7) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse1 .cse5 .cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))))) [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:21:02,228 INFO L258 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2021-10-11 02:21:02,228 INFO L262 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L258 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L854(lines 854 858) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L854-3(lines 854 858) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L854-6(lines 854 858) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L258 CegarLoopResult]: At program point L95-2(lines 131 137) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and .cse0 .cse2 .cse3 .cse4) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse3 .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L955-2(line 955) no Hoare annotation was computed. [2021-10-11 02:21:02,229 INFO L258 CegarLoopResult]: At program point L394-2(lines 394 408) the Hoare annotation is: false [2021-10-11 02:21:02,229 INFO L262 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L258 CegarLoopResult]: At program point L923(lines 918 926) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))))) [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L258 CegarLoopResult]: At program point L923-1(lines 918 926) the Hoare annotation is: false [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L258 CegarLoopResult]: At program point L923-2(lines 918 926) the Hoare annotation is: false [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L262 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2021-10-11 02:21:02,230 INFO L258 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse1 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) (and .cse0 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse3 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:21:02,231 INFO L262 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 02:21:02,231 INFO L258 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2021-10-11 02:21:02,231 INFO L258 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2021-10-11 02:21:02,231 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:21:02,231 INFO L258 CegarLoopResult]: At program point L990(lines 985 993) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:02,231 INFO L258 CegarLoopResult]: At program point L891(lines 886 894) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:21:02,231 INFO L258 CegarLoopResult]: At program point L891-1(lines 886 894) the Hoare annotation is: false [2021-10-11 02:21:02,231 INFO L258 CegarLoopResult]: At program point L891-2(lines 886 894) the Hoare annotation is: false [2021-10-11 02:21:02,231 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-10-11 02:21:02,231 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:21:02,231 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)) .cse4) (and .cse1 .cse5 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse6 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 .cse5 .cse6 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse7 .cse3) (and .cse1 .cse6 .cse7 .cse3 .cse2) (and .cse0 .cse1 .cse6 .cse3 .cse2 .cse4))) [2021-10-11 02:21:02,231 INFO L262 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-10-11 02:21:02,231 INFO L262 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2021-10-11 02:21:02,231 INFO L262 CegarLoopResult]: For program point L398-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 02:21:02,232 INFO L258 CegarLoopResult]: At program point L365-1(lines 1 993) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967294 32))) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))))) [2021-10-11 02:21:02,232 INFO L262 CegarLoopResult]: For program point L365-2(lines 365 378) no Hoare annotation was computed. [2021-10-11 02:21:02,232 INFO L258 CegarLoopResult]: At program point L365-3(lines 1 993) the Hoare annotation is: false [2021-10-11 02:21:02,232 INFO L262 CegarLoopResult]: For program point L365-4(lines 365 378) no Hoare annotation was computed. [2021-10-11 02:21:02,232 INFO L258 CegarLoopResult]: At program point L365-5(lines 1 993) the Hoare annotation is: false [2021-10-11 02:21:02,232 INFO L262 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,232 INFO L262 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,232 INFO L262 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,232 INFO L262 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,232 INFO L262 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,233 INFO L262 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:21:02,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:21:02 BoogieIcfgContainer [2021-10-11 02:21:02,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:21:02,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:21:02,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:21:02,298 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:21:02,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:29" (3/4) ... [2021-10-11 02:21:02,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:21:02,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:21:02,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:21:02,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:21:02,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:21:02,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:21:02,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:21:02,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:21:02,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:21:02,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:21:02,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) [2021-10-11 02:21:02,375 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) [2021-10-11 02:21:02,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) [2021-10-11 02:21:02,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) [2021-10-11 02:21:02,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:21:02,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:21:02,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) [2021-10-11 02:21:02,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:21:02,381 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:21:02,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:21:02,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) [2021-10-11 02:21:02,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:21:02,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:21:02,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:21:02,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:21:02,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d731f321-ac92-42ab-aca7-9b43063cc767/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:21:02,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:21:02,483 INFO L168 Benchmark]: Toolchain (without parser) took 36519.65 ms. Allocated memory was 62.9 MB in the beginning and 251.7 MB in the end (delta: 188.7 MB). Free memory was 42.1 MB in the beginning and 162.6 MB in the end (delta: -120.5 MB). Peak memory consumption was 67.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:02,483 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 44.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:02,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.25 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 29.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:02,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.51 ms. Allocated memory is still 62.9 MB. Free memory was 29.3 MB in the beginning and 24.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:02,485 INFO L168 Benchmark]: Boogie Preprocessor took 133.85 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 24.6 MB in the beginning and 62.2 MB in the end (delta: -37.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:02,485 INFO L168 Benchmark]: RCFGBuilder took 2634.50 ms. Allocated memory is still 81.8 MB. Free memory was 62.2 MB in the beginning and 38.0 MB in the end (delta: 24.2 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:02,485 INFO L168 Benchmark]: TraceAbstraction took 32744.23 ms. Allocated memory was 81.8 MB in the beginning and 251.7 MB in the end (delta: 169.9 MB). Free memory was 38.0 MB in the beginning and 177.3 MB in the end (delta: -139.3 MB). Peak memory consumption was 139.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:02,486 INFO L168 Benchmark]: Witness Printer took 184.87 ms. Allocated memory is still 251.7 MB. Free memory was 177.3 MB in the beginning and 162.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:02,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 44.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 693.25 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 29.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.51 ms. Allocated memory is still 62.9 MB. Free memory was 29.3 MB in the beginning and 24.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 133.85 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 24.6 MB in the beginning and 62.2 MB in the end (delta: -37.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2634.50 ms. Allocated memory is still 81.8 MB. Free memory was 62.2 MB in the beginning and 38.0 MB in the end (delta: 24.2 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32744.23 ms. Allocated memory was 81.8 MB in the beginning and 251.7 MB in the end (delta: 169.9 MB). Free memory was 38.0 MB in the beginning and 177.3 MB in the end (delta: -139.3 MB). Peak memory consumption was 139.2 MB. Max. memory is 16.1 GB. * Witness Printer took 184.87 ms. Allocated memory is still 251.7 MB. Free memory was 177.3 MB in the beginning and 162.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: 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: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.2s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2082 SDtfs, 5063 SDslu, 4644 SDs, 0 SdLazy, 922 SolverSat, 218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 989 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2273 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=634occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 5121 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 211 NumberOfFragments, 1051 HoareAnnotationTreeSize, 67 FomulaSimplifications, 3082832 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 225240 FormulaSimplificationTreeSizeReductionInter, 9.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 893 ConstructedInterpolants, 0 QuantifiedInterpolants, 147279 SizeOfPredicates, 42 NumberOfNonLiveVariables, 3817 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 21 InterpolantComputations, 13 PerfectInterpolantSequences, 141/207 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...