./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:35,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:35,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:35,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:35,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:35,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:35,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:35,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:35,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:35,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:35,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:35,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:35,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:35,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:35,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:35,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:35,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:35,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:35,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:35,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:35,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:35,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:35,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:35,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:35,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:35,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:35,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:35,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:35,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:35,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:35,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:35,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:35,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:35,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:35,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:35,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:35,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:35,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:35,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:35,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:35,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:35,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:35,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:35,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:35,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:35,247 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:35,247 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:35,247 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:35,247 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:35,247 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:35,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:35,248 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:35,248 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:35,248 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:35,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:35,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:35,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:35,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:35,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:35,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:35,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:35,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:35,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:35,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:35,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:35,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:35,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:35,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:35,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:35,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:35,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:35,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:35,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:35,252 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:35,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:35,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:35,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:35,254 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan 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(__VERIFIER_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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2019-10-22 11:21:35,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:35,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:35,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:35,293 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:35,293 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:35,294 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2019-10-22 11:21:35,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/data/de28c4db7/a4eaff6422474b869f75ee00512ad2a2/FLAGecb32006a [2019-10-22 11:21:35,750 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:35,750 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2019-10-22 11:21:35,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/data/de28c4db7/a4eaff6422474b869f75ee00512ad2a2/FLAGecb32006a [2019-10-22 11:21:36,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/data/de28c4db7/a4eaff6422474b869f75ee00512ad2a2 [2019-10-22 11:21:36,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:36,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:36,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:36,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:36,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:36,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78734ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36, skipping insertion in model container [2019-10-22 11:21:36,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,108 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:36,173 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:36,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:36,635 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:36,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:36,740 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:36,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36 WrapperNode [2019-10-22 11:21:36,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:36,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:36,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:36,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:36,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:36,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:36,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:36,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:36,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:36,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:36,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:36,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:36,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/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 [2019-10-22 11:21:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:21:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:37,828 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:37,828 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-10-22 11:21:37,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:37 BoogieIcfgContainer [2019-10-22 11:21:37,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:37,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:37,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:37,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:37,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:36" (1/3) ... [2019-10-22 11:21:37,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7332c373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:37, skipping insertion in model container [2019-10-22 11:21:37,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (2/3) ... [2019-10-22 11:21:37,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7332c373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:37, skipping insertion in model container [2019-10-22 11:21:37,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:37" (3/3) ... [2019-10-22 11:21:37,841 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2019-10-22 11:21:37,852 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:37,860 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:37,872 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:37,896 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:37,897 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:37,897 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:37,897 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:37,897 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:37,897 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:37,897 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:37,897 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:37,916 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-10-22 11:21:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:21:37,923 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,923 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:37,925 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:37,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2019-10-22 11:21:37,938 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,938 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520832372] [2019-10-22 11:21:37,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:38,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520832372] [2019-10-22 11:21:38,158 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:38,159 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:38,159 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907215331] [2019-10-22 11:21:38,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:21:38,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:38,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:21:38,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:38,180 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-10-22 11:21:38,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:38,212 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2019-10-22 11:21:38,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:21:38,213 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:21:38,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:38,225 INFO L225 Difference]: With dead ends: 223 [2019-10-22 11:21:38,226 INFO L226 Difference]: Without dead ends: 111 [2019-10-22 11:21:38,228 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:38,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-22 11:21:38,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-22 11:21:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:21:38,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2019-10-22 11:21:38,264 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2019-10-22 11:21:38,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:38,264 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-10-22 11:21:38,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:21:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2019-10-22 11:21:38,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:21:38,265 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:38,265 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:38,265 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:38,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:38,266 INFO L82 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2019-10-22 11:21:38,266 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:38,266 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550188619] [2019-10-22 11:21:38,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:38,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550188619] [2019-10-22 11:21:38,381 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:38,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:38,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832137838] [2019-10-22 11:21:38,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:38,383 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:38,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:38,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:38,384 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 3 states. [2019-10-22 11:21:38,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:38,398 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2019-10-22 11:21:38,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:38,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:21:38,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:38,402 INFO L225 Difference]: With dead ends: 111 [2019-10-22 11:21:38,402 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 11:21:38,403 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:38,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 11:21:38,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 11:21:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 11:21:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-10-22 11:21:38,410 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-10-22 11:21:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:38,410 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-10-22 11:21:38,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-10-22 11:21:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:21:38,414 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:38,414 INFO L380 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] [2019-10-22 11:21:38,414 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:38,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:38,414 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2019-10-22 11:21:38,414 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:38,415 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930731314] [2019-10-22 11:21:38,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:38,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930731314] [2019-10-22 11:21:38,527 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:38,527 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:38,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92920014] [2019-10-22 11:21:38,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:38,528 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:38,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:38,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:38,528 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2019-10-22 11:21:38,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:38,593 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2019-10-22 11:21:38,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:38,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:21:38,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:38,594 INFO L225 Difference]: With dead ends: 87 [2019-10-22 11:21:38,595 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 11:21:38,595 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:38,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 11:21:38,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 11:21:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 11:21:38,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-10-22 11:21:38,601 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-10-22 11:21:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:38,601 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-10-22 11:21:38,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-10-22 11:21:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:21:38,602 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:38,602 INFO L380 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] [2019-10-22 11:21:38,602 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:38,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:38,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2019-10-22 11:21:38,603 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:38,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047812120] [2019-10-22 11:21:38,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:38,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047812120] [2019-10-22 11:21:38,646 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:38,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:38,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068003952] [2019-10-22 11:21:38,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:38,647 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:38,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:38,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:38,647 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-10-22 11:21:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:38,701 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2019-10-22 11:21:38,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:38,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:21:38,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:38,702 INFO L225 Difference]: With dead ends: 109 [2019-10-22 11:21:38,702 INFO L226 Difference]: Without dead ends: 69 [2019-10-22 11:21:38,703 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:38,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-10-22 11:21:38,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2019-10-22 11:21:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:21:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2019-10-22 11:21:38,719 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2019-10-22 11:21:38,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:38,719 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2019-10-22 11:21:38,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-10-22 11:21:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:21:38,720 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:38,720 INFO L380 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] [2019-10-22 11:21:38,720 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:38,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:38,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2019-10-22 11:21:38,721 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:38,725 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834116223] [2019-10-22 11:21:38,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:38,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:38,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834116223] [2019-10-22 11:21:38,818 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:38,818 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:38,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170744324] [2019-10-22 11:21:38,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:38,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:38,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:38,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:38,820 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2019-10-22 11:21:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:38,964 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2019-10-22 11:21:38,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:21:38,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:21:38,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:38,968 INFO L225 Difference]: With dead ends: 313 [2019-10-22 11:21:38,969 INFO L226 Difference]: Without dead ends: 253 [2019-10-22 11:21:38,969 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:38,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-10-22 11:21:38,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2019-10-22 11:21:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-22 11:21:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2019-10-22 11:21:38,997 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2019-10-22 11:21:38,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:38,998 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2019-10-22 11:21:38,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2019-10-22 11:21:39,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:21:39,006 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,006 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:39,007 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2019-10-22 11:21:39,007 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909347883] [2019-10-22 11:21:39,008 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,008 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:39,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909347883] [2019-10-22 11:21:39,090 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,090 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:39,090 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110003359] [2019-10-22 11:21:39,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:39,091 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:39,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:39,092 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 5 states. [2019-10-22 11:21:39,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:39,244 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2019-10-22 11:21:39,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:21:39,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:21:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:39,249 INFO L225 Difference]: With dead ends: 436 [2019-10-22 11:21:39,250 INFO L226 Difference]: Without dead ends: 324 [2019-10-22 11:21:39,250 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:39,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-10-22 11:21:39,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2019-10-22 11:21:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 11:21:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2019-10-22 11:21:39,277 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2019-10-22 11:21:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:39,278 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2019-10-22 11:21:39,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2019-10-22 11:21:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:21:39,279 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,279 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:39,280 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,285 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2019-10-22 11:21:39,286 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721912682] [2019-10-22 11:21:39,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:39,341 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721912682] [2019-10-22 11:21:39,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:39,342 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335304440] [2019-10-22 11:21:39,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:39,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:39,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:39,343 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand 5 states. [2019-10-22 11:21:39,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:39,408 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2019-10-22 11:21:39,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:39,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:21:39,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:39,409 INFO L225 Difference]: With dead ends: 315 [2019-10-22 11:21:39,410 INFO L226 Difference]: Without dead ends: 204 [2019-10-22 11:21:39,410 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:39,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-10-22 11:21:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2019-10-22 11:21:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-22 11:21:39,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2019-10-22 11:21:39,428 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2019-10-22 11:21:39,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:39,428 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2019-10-22 11:21:39,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:39,428 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2019-10-22 11:21:39,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:21:39,430 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,431 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:39,431 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2019-10-22 11:21:39,432 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670190149] [2019-10-22 11:21:39,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:39,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670190149] [2019-10-22 11:21:39,487 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,487 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:21:39,487 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731157412] [2019-10-22 11:21:39,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:39,487 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:39,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:39,488 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 6 states. [2019-10-22 11:21:39,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:39,572 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2019-10-22 11:21:39,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:21:39,573 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-10-22 11:21:39,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:39,574 INFO L225 Difference]: With dead ends: 349 [2019-10-22 11:21:39,574 INFO L226 Difference]: Without dead ends: 226 [2019-10-22 11:21:39,574 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:21:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-10-22 11:21:39,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2019-10-22 11:21:39,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 11:21:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2019-10-22 11:21:39,593 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2019-10-22 11:21:39,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:39,595 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2019-10-22 11:21:39,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2019-10-22 11:21:39,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:21:39,596 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,596 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:39,596 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,597 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2019-10-22 11:21:39,597 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327671035] [2019-10-22 11:21:39,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:39,641 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327671035] [2019-10-22 11:21:39,641 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,641 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:39,641 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724292757] [2019-10-22 11:21:39,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:39,642 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:39,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:39,642 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 3 states. [2019-10-22 11:21:39,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:39,674 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2019-10-22 11:21:39,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:39,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 11:21:39,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:39,675 INFO L225 Difference]: With dead ends: 319 [2019-10-22 11:21:39,675 INFO L226 Difference]: Without dead ends: 188 [2019-10-22 11:21:39,676 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:39,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-10-22 11:21:39,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2019-10-22 11:21:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-10-22 11:21:39,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2019-10-22 11:21:39,698 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2019-10-22 11:21:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:39,699 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2019-10-22 11:21:39,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2019-10-22 11:21:39,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:21:39,700 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,700 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:39,700 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,700 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2019-10-22 11:21:39,701 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387353576] [2019-10-22 11:21:39,701 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,706 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:39,777 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387353576] [2019-10-22 11:21:39,778 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,778 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:39,778 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250957038] [2019-10-22 11:21:39,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:39,778 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:39,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:39,779 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2019-10-22 11:21:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:39,820 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2019-10-22 11:21:39,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:39,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 11:21:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:39,821 INFO L225 Difference]: With dead ends: 287 [2019-10-22 11:21:39,822 INFO L226 Difference]: Without dead ends: 285 [2019-10-22 11:21:39,822 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:39,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-10-22 11:21:39,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2019-10-22 11:21:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-10-22 11:21:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2019-10-22 11:21:39,843 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2019-10-22 11:21:39,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:39,843 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2019-10-22 11:21:39,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2019-10-22 11:21:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 11:21:39,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,844 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:39,844 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,845 INFO L82 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2019-10-22 11:21:39,847 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013560107] [2019-10-22 11:21:39,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:21:39,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013560107] [2019-10-22 11:21:39,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:21:39,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691960874] [2019-10-22 11:21:39,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:21:39,934 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:21:39,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:39,935 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand 8 states. [2019-10-22 11:21:40,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:40,228 INFO L93 Difference]: Finished difference Result 741 states and 996 transitions. [2019-10-22 11:21:40,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 11:21:40,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-10-22 11:21:40,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:40,230 INFO L225 Difference]: With dead ends: 741 [2019-10-22 11:21:40,231 INFO L226 Difference]: Without dead ends: 520 [2019-10-22 11:21:40,232 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2019-10-22 11:21:40,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-10-22 11:21:40,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 205. [2019-10-22 11:21:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-10-22 11:21:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2019-10-22 11:21:40,252 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2019-10-22 11:21:40,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:40,253 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2019-10-22 11:21:40,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:21:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2019-10-22 11:21:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:21:40,254 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:40,254 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:40,255 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:40,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:40,255 INFO L82 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2019-10-22 11:21:40,255 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:40,255 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129023197] [2019-10-22 11:21:40,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:40,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:40,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:40,309 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129023197] [2019-10-22 11:21:40,309 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:40,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:40,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586003719] [2019-10-22 11:21:40,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:40,310 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:40,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:40,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:40,310 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 5 states. [2019-10-22 11:21:40,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:40,394 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2019-10-22 11:21:40,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:40,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-22 11:21:40,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:40,395 INFO L225 Difference]: With dead ends: 325 [2019-10-22 11:21:40,395 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:40,395 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:40,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:40,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:40,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-22 11:21:40,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:40,396 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:40,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:40,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:40,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:40,719 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 63 [2019-10-22 11:21:40,834 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 94 [2019-10-22 11:21:41,159 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 99 [2019-10-22 11:21:41,434 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2019-10-22 11:21:41,755 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-10-22 11:21:41,862 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2019-10-22 11:21:42,068 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2019-10-22 11:21:42,188 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2019-10-22 11:21:42,362 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2019-10-22 11:21:42,686 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 22 [2019-10-22 11:21:42,868 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2019-10-22 11:21:42,883 INFO L439 ceAbstractionStarter]: At program point L68-3(lines 1 948) the Hoare annotation is: false [2019-10-22 11:21:42,883 INFO L443 ceAbstractionStarter]: For program point L68-4(lines 68 85) no Hoare annotation was computed. [2019-10-22 11:21:42,883 INFO L439 ceAbstractionStarter]: At program point L68-5(lines 1 948) the Hoare annotation is: false [2019-10-22 11:21:42,883 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-10-22 11:21:42,883 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 201 218) no Hoare annotation was computed. [2019-10-22 11:21:42,883 INFO L443 ceAbstractionStarter]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2019-10-22 11:21:42,883 INFO L439 ceAbstractionStarter]: At program point L533(lines 528 536) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (not (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 (not .cse2) .cse3 (not .cse4) .cse5 .cse6) (and .cse0 .cse1 (and .cse2 .cse4 .cse3 .cse5) .cse6))) [2019-10-22 11:21:42,883 INFO L439 ceAbstractionStarter]: At program point L533-1(lines 528 536) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse6 (not .cse2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse7 (not .cse3)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse4 .cse5) .cse6 .cse7) (and .cse0 .cse1 .cse6 .cse4 .cse7 .cse5 (= 0 ~methAndRunningLastTime~0))))) [2019-10-22 11:21:42,884 INFO L439 ceAbstractionStarter]: At program point L533-2(lines 528 536) the Hoare annotation is: false [2019-10-22 11:21:42,884 INFO L439 ceAbstractionStarter]: At program point L533-3(lines 528 536) the Hoare annotation is: false [2019-10-22 11:21:42,884 INFO L439 ceAbstractionStarter]: At program point L533-4(lines 528 536) the Hoare annotation is: false [2019-10-22 11:21:42,884 INFO L439 ceAbstractionStarter]: At program point L533-5(lines 528 536) the Hoare annotation is: false [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L303-3(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L303-5(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L303-6(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L303-8(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L303-9(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,884 INFO L443 ceAbstractionStarter]: For program point L72-2(lines 72 82) no Hoare annotation was computed. [2019-10-22 11:21:42,885 INFO L443 ceAbstractionStarter]: For program point L303-11(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,885 INFO L443 ceAbstractionStarter]: For program point L72-4(lines 72 82) no Hoare annotation was computed. [2019-10-22 11:21:42,885 INFO L443 ceAbstractionStarter]: For program point L303-12(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,885 INFO L443 ceAbstractionStarter]: For program point L303-14(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,885 INFO L443 ceAbstractionStarter]: For program point L303-15(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,887 INFO L443 ceAbstractionStarter]: For program point L303-17(lines 303 307) no Hoare annotation was computed. [2019-10-22 11:21:42,887 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2019-10-22 11:21:42,887 INFO L439 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: false [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L205-1(lines 205 213) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L73-2(lines 73 79) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L73-4(lines 73 79) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-22 11:21:42,888 INFO L439 ceAbstractionStarter]: At program point L373-2(lines 143 149) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) .cse4) (and .cse1 (and (and .cse0 .cse2 .cse3) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) .cse4) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:21:42,888 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 175 192) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L175-2(lines 175 192) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L175-3(lines 175 192) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L175-4(lines 175 192) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L175-5(lines 175 192) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L407-1(lines 143 149) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L439 ceAbstractionStarter]: At program point L143(lines 142 161) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (and .cse2 .cse3 .cse4))) (or (and .cse0 (and .cse1 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (not (= ~pumpRunning~0 0))) (and .cse0 (and .cse2 (= 0 ~methaneLevelCritical~0) .cse3 .cse4)) (and .cse0 .cse1 (= 0 ~methAndRunningLastTime~0))))) [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L439 ceAbstractionStarter]: At program point L143-2(lines 142 161) the Hoare annotation is: false [2019-10-22 11:21:42,889 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 11:21:42,889 INFO L439 ceAbstractionStarter]: At program point L143-3(lines 142 161) the Hoare annotation is: false [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point L573-2(lines 573 579) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point L573-3(lines 573 579) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point L573-4(lines 573 579) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L443 ceAbstractionStarter]: For program point L573-5(lines 573 579) no Hoare annotation was computed. [2019-10-22 11:21:42,890 INFO L439 ceAbstractionStarter]: At program point L309(lines 294 312) the Hoare annotation is: false [2019-10-22 11:21:42,890 INFO L439 ceAbstractionStarter]: At program point L309-1(lines 294 312) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:21:42,890 INFO L439 ceAbstractionStarter]: At program point L309-2(lines 294 312) the Hoare annotation is: false [2019-10-22 11:21:42,891 INFO L439 ceAbstractionStarter]: At program point L309-3(lines 294 312) the Hoare annotation is: false [2019-10-22 11:21:42,891 INFO L439 ceAbstractionStarter]: At program point L309-4(lines 294 312) the Hoare annotation is: false [2019-10-22 11:21:42,891 INFO L439 ceAbstractionStarter]: At program point L309-5(lines 294 312) the Hoare annotation is: false [2019-10-22 11:21:42,891 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-10-22 11:21:42,891 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2019-10-22 11:21:42,891 INFO L446 ceAbstractionStarter]: At program point L475-1(lines 475 482) the Hoare annotation is: true [2019-10-22 11:21:42,891 INFO L439 ceAbstractionStarter]: At program point L245(lines 238 248) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (not (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 (not .cse2) .cse4 (not .cse3) .cse5 .cse6))) [2019-10-22 11:21:42,891 INFO L439 ceAbstractionStarter]: At program point L245-1(lines 238 248) the Hoare annotation is: false [2019-10-22 11:21:42,891 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-10-22 11:21:42,891 INFO L439 ceAbstractionStarter]: At program point L245-2(lines 238 248) the Hoare annotation is: false [2019-10-22 11:21:42,891 INFO L443 ceAbstractionStarter]: For program point L179-1(lines 179 187) no Hoare annotation was computed. [2019-10-22 11:21:42,891 INFO L443 ceAbstractionStarter]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2019-10-22 11:21:42,892 INFO L443 ceAbstractionStarter]: For program point L179-3(lines 179 187) no Hoare annotation was computed. [2019-10-22 11:21:42,892 INFO L443 ceAbstractionStarter]: For program point L179-4(lines 179 187) no Hoare annotation was computed. [2019-10-22 11:21:42,892 INFO L443 ceAbstractionStarter]: For program point L179-5(lines 179 187) no Hoare annotation was computed. [2019-10-22 11:21:42,892 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:21:42,892 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2019-10-22 11:21:42,892 INFO L439 ceAbstractionStarter]: At program point L345-1(lines 345 351) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse8 (not .cse3)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse4 .cse5 .cse6) (and (and .cse0 .cse1 .cse7 .cse4 .cse6) .cse8 .cse5) (and .cse0 .cse1 (not .cse2) .cse4 .cse8 (not .cse7) .cse6) (and (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse6) .cse5)))) [2019-10-22 11:21:42,892 INFO L439 ceAbstractionStarter]: At program point L115(lines 1 948) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:21:42,892 INFO L439 ceAbstractionStarter]: At program point L578(lines 569 582) the Hoare annotation is: false [2019-10-22 11:21:42,892 INFO L439 ceAbstractionStarter]: At program point L578-1(lines 569 582) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:21:42,892 INFO L439 ceAbstractionStarter]: At program point L578-2(lines 569 582) the Hoare annotation is: false [2019-10-22 11:21:42,893 INFO L439 ceAbstractionStarter]: At program point L578-3(lines 569 582) the Hoare annotation is: false [2019-10-22 11:21:42,893 INFO L439 ceAbstractionStarter]: At program point L578-4(lines 569 582) the Hoare annotation is: false [2019-10-22 11:21:42,893 INFO L439 ceAbstractionStarter]: At program point L578-5(lines 569 582) the Hoare annotation is: false [2019-10-22 11:21:42,893 INFO L439 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse1 (and .cse0 .cse2 .cse3) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:21:42,896 INFO L439 ceAbstractionStarter]: At program point L150-1(lines 150 156) the Hoare annotation is: false [2019-10-22 11:21:42,896 INFO L439 ceAbstractionStarter]: At program point L150-2(lines 150 156) the Hoare annotation is: false [2019-10-22 11:21:42,896 INFO L439 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: false [2019-10-22 11:21:42,896 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:42,896 INFO L446 ceAbstractionStarter]: At program point L484(lines 465 487) the Hoare annotation is: true [2019-10-22 11:21:42,896 INFO L439 ceAbstractionStarter]: At program point L451(lines 447 453) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:21:42,896 INFO L439 ceAbstractionStarter]: At program point L254(lines 249 257) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (and .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4 .cse5) .cse6) (and .cse1 .cse2 .cse0 .cse4 .cse6 .cse5 (= 0 ~methAndRunningLastTime~0) (not .cse3)))) [2019-10-22 11:21:42,897 INFO L439 ceAbstractionStarter]: At program point L254-1(lines 249 257) the Hoare annotation is: false [2019-10-22 11:21:42,897 INFO L439 ceAbstractionStarter]: At program point L254-2(lines 249 257) the Hoare annotation is: false [2019-10-22 11:21:42,897 INFO L439 ceAbstractionStarter]: At program point L123(lines 118 126) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:21:42,897 INFO L439 ceAbstractionStarter]: At program point L57(lines 52 59) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:21:42,897 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-10-22 11:21:42,897 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2019-10-22 11:21:42,897 INFO L439 ceAbstractionStarter]: At program point L355-1(lines 355 361) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) .cse4) (and .cse1 (and (and .cse0 .cse2 .cse3) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) .cse4) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:21:42,897 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:42,897 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:42,897 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:42,898 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 500) no Hoare annotation was computed. [2019-10-22 11:21:42,898 INFO L443 ceAbstractionStarter]: For program point L496-3(lines 496 500) no Hoare annotation was computed. [2019-10-22 11:21:42,898 INFO L443 ceAbstractionStarter]: For program point L496-6(lines 496 500) no Hoare annotation was computed. [2019-10-22 11:21:42,898 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2019-10-22 11:21:42,898 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2019-10-22 11:21:42,898 INFO L439 ceAbstractionStarter]: At program point L68-1(lines 1 948) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse8 (not .cse3)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse4 .cse5 .cse6) (and (and .cse0 .cse1 .cse7 .cse4 .cse6) .cse8 .cse5) (and .cse0 .cse1 (not .cse2) .cse4 .cse8 (not .cse7) .cse6) (and (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse6) .cse5)))) [2019-10-22 11:21:42,898 INFO L443 ceAbstractionStarter]: For program point L68-2(lines 68 85) no Hoare annotation was computed. [2019-10-22 11:21:42,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:42 BoogieIcfgContainer [2019-10-22 11:21:42,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:42,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:42,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:42,944 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:42,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:37" (3/4) ... [2019-10-22 11:21:42,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:42,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:21:42,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:21:42,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:21:42,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:21:42,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:42,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:21:43,001 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-10-22 11:21:43,003 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-10-22 11:21:43,004 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-10-22 11:21:43,004 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && !(pumpRunning == 0)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,004 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && !(pumpRunning == 0)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,004 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((1 == tmp && ((\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && !(pumpRunning == 0))) || ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,005 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((1 == tmp && ((\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && !(pumpRunning == 0))) || ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,005 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && ((\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && !(pumpRunning == 0)) || (1 == tmp && ((\result == 1 && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == tmp && (\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,005 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == tmp && (\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,006 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && !(0 == \result))) || ((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,006 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((\result == 1 && 1 == tmp) && ((0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-10-22 11:21:43,006 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && ((0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((((((!(0 == \result) && \result == 1) && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-10-22 11:21:43,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) || (((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) [2019-10-22 11:21:43,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:21:43,080 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_925af804-e58b-4d5a-a0dd-6c02eb4f6dba/bin/utaipan/witness.graphml [2019-10-22 11:21:43,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:43,082 INFO L168 Benchmark]: Toolchain (without parser) took 6991.64 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 340.8 MB). Free memory was 939.2 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 260.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:43,082 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:43,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:43,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:43,083 INFO L168 Benchmark]: Boogie Preprocessor took 53.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:43,083 INFO L168 Benchmark]: RCFGBuilder took 955.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:43,083 INFO L168 Benchmark]: TraceAbstraction took 5112.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 308.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:43,084 INFO L168 Benchmark]: Witness Printer took 137.24 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:43,085 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 648.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 955.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5112.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 308.9 MB. Max. memory is 11.5 GB. * Witness Printer took 137.24 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && !(pumpRunning == 0)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((\result == 1 && 1 == tmp) && ((0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) || (((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((1 == tmp && ((\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && !(pumpRunning == 0))) || ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((1 == tmp && ((\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && !(pumpRunning == 0)) || (1 == tmp && ((\result == 1 && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == tmp && (\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((1 == tmp && ((\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && !(pumpRunning == 0))) || ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && !(0 == \result))) || ((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && ((0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((((((!(0 == \result) && \result == 1) && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == tmp && (\result == 1 && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == \result)) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && !(0 == methaneLevelCritical)) && !(0 == systemActive)) && !(0 == \result)) && !(pumpRunning == 0)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, HoareTripleCheckerStatistics: 1113 SDtfs, 1655 SDslu, 1684 SDs, 0 SdLazy, 245 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 876 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 112 NumberOfFragments, 928 HoareAnnotationTreeSize, 44 FomulaSimplifications, 241419 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 23929 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 31015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...