./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3fa33aaad762eafbf16a24d8c461c30e65889576 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:44:44,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:44:44,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:44:44,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:44:44,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:44:44,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:44:44,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:44:44,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:44:44,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:44:44,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:44:44,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:44:44,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:44:44,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:44:44,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:44:44,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:44:44,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:44:44,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:44:44,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:44:44,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:44:44,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:44:44,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:44:44,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:44:44,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:44:44,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:44:44,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:44:44,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:44:44,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:44:44,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:44:44,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:44:44,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:44:44,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:44:44,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:44:44,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:44:44,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:44:44,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:44:44,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:44:44,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:44:44,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:44:44,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:44:44,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:44:44,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:44:44,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:44:44,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:44:44,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:44:44,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:44:44,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:44:44,985 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:44:44,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:44:44,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:44:44,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:44:44,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:44:44,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:44:44,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:44:44,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:44:44,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:44:44,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:44:44,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:44:44,988 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:44:44,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:44:44,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:44:44,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:44:44,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:44:44,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:44:44,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:44:44,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:44:44,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:44:44,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:44:44,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:44:44,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:44:44,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:44:44,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:44:44,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fa33aaad762eafbf16a24d8c461c30e65889576 [2020-11-29 19:44:45,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:44:45,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:44:45,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:44:45,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:44:45,267 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:44:45,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2020-11-29 19:44:45,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/data/df87c5342/62ded21b6b7149d989ec002cba08edd8/FLAG59536e653 [2020-11-29 19:44:45,897 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:44:45,898 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2020-11-29 19:44:45,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/data/df87c5342/62ded21b6b7149d989ec002cba08edd8/FLAG59536e653 [2020-11-29 19:44:46,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/data/df87c5342/62ded21b6b7149d989ec002cba08edd8 [2020-11-29 19:44:46,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:44:46,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:44:46,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:44:46,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:44:46,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:44:46,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160369c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46, skipping insertion in model container [2020-11-29 19:44:46,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:44:46,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:44:46,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:44:46,608 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:44:46,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:44:46,800 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:44:46,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46 WrapperNode [2020-11-29 19:44:46,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:44:46,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:44:46,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:44:46,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:44:46,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:44:46,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:44:46,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:44:46,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:44:46,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... [2020-11-29 19:44:46,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:44:46,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:44:46,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:44:46,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:44:46,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/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 [2020-11-29 19:44:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:44:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:44:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:44:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:44:48,213 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:44:48,214 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-11-29 19:44:48,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:44:48 BoogieIcfgContainer [2020-11-29 19:44:48,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:44:48,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:44:48,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:44:48,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:44:48,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:44:46" (1/3) ... [2020-11-29 19:44:48,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b996f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:44:48, skipping insertion in model container [2020-11-29 19:44:48,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:44:46" (2/3) ... [2020-11-29 19:44:48,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b996f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:44:48, skipping insertion in model container [2020-11-29 19:44:48,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:44:48" (3/3) ... [2020-11-29 19:44:48,225 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2020-11-29 19:44:48,235 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:44:48,238 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 19:44:48,248 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 19:44:48,273 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:44:48,274 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:44:48,274 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:44:48,274 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:44:48,274 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:44:48,274 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:44:48,274 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:44:48,275 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:44:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-29 19:44:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:44:48,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:48,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:48,301 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:48,307 INFO L82 PathProgramCache]: Analyzing trace with hash 71626657, now seen corresponding path program 1 times [2020-11-29 19:44:48,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:48,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012114494] [2020-11-29 19:44:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:48,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:48,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012114494] [2020-11-29 19:44:48,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:48,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:44:48,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429223487] [2020-11-29 19:44:48,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:44:48,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:48,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:44:48,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:44:48,628 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-11-29 19:44:48,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:48,658 INFO L93 Difference]: Finished difference Result 278 states and 417 transitions. [2020-11-29 19:44:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:44:48,659 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 19:44:48,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:48,671 INFO L225 Difference]: With dead ends: 278 [2020-11-29 19:44:48,671 INFO L226 Difference]: Without dead ends: 137 [2020-11-29 19:44:48,679 INFO L677 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 [2020-11-29 19:44:48,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-29 19:44:48,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-29 19:44:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-29 19:44:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2020-11-29 19:44:48,737 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2020-11-29 19:44:48,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:48,737 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2020-11-29 19:44:48,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:44:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2020-11-29 19:44:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 19:44:48,739 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:48,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:48,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:44:48,739 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:48,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:48,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1842049795, now seen corresponding path program 1 times [2020-11-29 19:44:48,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:48,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584012783] [2020-11-29 19:44:48,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:48,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584012783] [2020-11-29 19:44:48,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:48,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:44:48,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507651795] [2020-11-29 19:44:48,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:48,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:48,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:48,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:48,895 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2020-11-29 19:44:48,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:48,909 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2020-11-29 19:44:48,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:48,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 19:44:48,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:48,911 INFO L225 Difference]: With dead ends: 137 [2020-11-29 19:44:48,911 INFO L226 Difference]: Without dead ends: 57 [2020-11-29 19:44:48,912 INFO L677 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 [2020-11-29 19:44:48,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-29 19:44:48,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-29 19:44:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-29 19:44:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2020-11-29 19:44:48,920 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2020-11-29 19:44:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:48,920 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2020-11-29 19:44:48,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-11-29 19:44:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:44:48,921 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:48,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:48,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:44:48,922 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:48,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2020-11-29 19:44:48,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:48,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689487594] [2020-11-29 19:44:48,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:49,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689487594] [2020-11-29 19:44:49,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:49,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:44:49,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494801481] [2020-11-29 19:44:49,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:49,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:49,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:49,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:49,097 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2020-11-29 19:44:49,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:49,118 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2020-11-29 19:44:49,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:49,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 19:44:49,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:49,121 INFO L225 Difference]: With dead ends: 157 [2020-11-29 19:44:49,121 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 19:44:49,122 INFO L677 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 [2020-11-29 19:44:49,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 19:44:49,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-11-29 19:44:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-29 19:44:49,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2020-11-29 19:44:49,137 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2020-11-29 19:44:49,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:49,138 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2020-11-29 19:44:49,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2020-11-29 19:44:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:44:49,139 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:49,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:49,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:44:49,140 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:49,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2020-11-29 19:44:49,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:49,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138147248] [2020-11-29 19:44:49,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:49,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:49,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138147248] [2020-11-29 19:44:49,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:49,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:44:49,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985454333] [2020-11-29 19:44:49,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:49,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:49,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:49,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:49,259 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2020-11-29 19:44:49,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:49,337 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2020-11-29 19:44:49,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:49,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 19:44:49,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:49,339 INFO L225 Difference]: With dead ends: 242 [2020-11-29 19:44:49,339 INFO L226 Difference]: Without dead ends: 146 [2020-11-29 19:44:49,340 INFO L677 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 [2020-11-29 19:44:49,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-29 19:44:49,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2020-11-29 19:44:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-29 19:44:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2020-11-29 19:44:49,368 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2020-11-29 19:44:49,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:49,369 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2020-11-29 19:44:49,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2020-11-29 19:44:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:44:49,371 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:49,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:49,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:44:49,372 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:49,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:49,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2020-11-29 19:44:49,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:49,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884555762] [2020-11-29 19:44:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:49,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884555762] [2020-11-29 19:44:49,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:49,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:44:49,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877740415] [2020-11-29 19:44:49,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:44:49,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:49,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:44:49,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:49,466 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2020-11-29 19:44:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:49,652 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2020-11-29 19:44:49,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:44:49,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-29 19:44:49,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:49,657 INFO L225 Difference]: With dead ends: 756 [2020-11-29 19:44:49,657 INFO L226 Difference]: Without dead ends: 619 [2020-11-29 19:44:49,659 INFO L677 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 [2020-11-29 19:44:49,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-11-29 19:44:49,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2020-11-29 19:44:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-11-29 19:44:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2020-11-29 19:44:49,706 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2020-11-29 19:44:49,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:49,707 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2020-11-29 19:44:49,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:44:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2020-11-29 19:44:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:44:49,711 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:49,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:49,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:44:49,711 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:49,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:49,713 INFO L82 PathProgramCache]: Analyzing trace with hash 788984512, now seen corresponding path program 1 times [2020-11-29 19:44:49,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:49,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073180207] [2020-11-29 19:44:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:49,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073180207] [2020-11-29 19:44:49,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:49,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:44:49,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264837784] [2020-11-29 19:44:49,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:44:49,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:49,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:44:49,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:49,830 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2020-11-29 19:44:50,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:50,025 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2020-11-29 19:44:50,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 19:44:50,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-29 19:44:50,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:50,031 INFO L225 Difference]: With dead ends: 1029 [2020-11-29 19:44:50,031 INFO L226 Difference]: Without dead ends: 769 [2020-11-29 19:44:50,032 INFO L677 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 [2020-11-29 19:44:50,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-11-29 19:44:50,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2020-11-29 19:44:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-11-29 19:44:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2020-11-29 19:44:50,068 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2020-11-29 19:44:50,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:50,071 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2020-11-29 19:44:50,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:44:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2020-11-29 19:44:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:44:50,079 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:50,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:50,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:44:50,080 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:50,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:50,082 INFO L82 PathProgramCache]: Analyzing trace with hash -782080822, now seen corresponding path program 1 times [2020-11-29 19:44:50,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:50,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214317027] [2020-11-29 19:44:50,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:50,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214317027] [2020-11-29 19:44:50,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:50,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:44:50,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008206552] [2020-11-29 19:44:50,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:44:50,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:50,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:44:50,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:44:50,166 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2020-11-29 19:44:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:50,237 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2020-11-29 19:44:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:44:50,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-11-29 19:44:50,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:50,241 INFO L225 Difference]: With dead ends: 773 [2020-11-29 19:44:50,242 INFO L226 Difference]: Without dead ends: 515 [2020-11-29 19:44:50,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-11-29 19:44:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2020-11-29 19:44:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-29 19:44:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2020-11-29 19:44:50,291 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2020-11-29 19:44:50,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:50,291 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2020-11-29 19:44:50,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:44:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2020-11-29 19:44:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:44:50,292 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:50,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:50,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:44:50,293 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:50,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:50,294 INFO L82 PathProgramCache]: Analyzing trace with hash 229036428, now seen corresponding path program 1 times [2020-11-29 19:44:50,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:50,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950428664] [2020-11-29 19:44:50,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:50,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950428664] [2020-11-29 19:44:50,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:50,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:44:50,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994132987] [2020-11-29 19:44:50,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:44:50,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:50,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:44:50,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:50,361 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2020-11-29 19:44:50,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:50,472 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2020-11-29 19:44:50,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:44:50,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-29 19:44:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:50,476 INFO L225 Difference]: With dead ends: 735 [2020-11-29 19:44:50,476 INFO L226 Difference]: Without dead ends: 461 [2020-11-29 19:44:50,477 INFO L677 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 [2020-11-29 19:44:50,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-11-29 19:44:50,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2020-11-29 19:44:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-29 19:44:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2020-11-29 19:44:50,512 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2020-11-29 19:44:50,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:50,514 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2020-11-29 19:44:50,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:44:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2020-11-29 19:44:50,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:44:50,515 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:50,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:50,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:44:50,517 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:50,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:50,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1803149176, now seen corresponding path program 1 times [2020-11-29 19:44:50,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:50,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810410566] [2020-11-29 19:44:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:50,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810410566] [2020-11-29 19:44:50,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:50,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:44:50,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818202119] [2020-11-29 19:44:50,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:50,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:50,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:50,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:50,586 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2020-11-29 19:44:50,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:50,639 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2020-11-29 19:44:50,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:50,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-29 19:44:50,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:50,642 INFO L225 Difference]: With dead ends: 707 [2020-11-29 19:44:50,642 INFO L226 Difference]: Without dead ends: 409 [2020-11-29 19:44:50,643 INFO L677 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 [2020-11-29 19:44:50,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-29 19:44:50,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-11-29 19:44:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-11-29 19:44:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2020-11-29 19:44:50,704 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2020-11-29 19:44:50,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:50,705 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2020-11-29 19:44:50,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2020-11-29 19:44:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 19:44:50,707 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:50,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:50,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:44:50,708 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:50,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:50,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1017339336, now seen corresponding path program 1 times [2020-11-29 19:44:50,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:50,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190711001] [2020-11-29 19:44:50,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:50,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190711001] [2020-11-29 19:44:50,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:50,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:44:50,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894101770] [2020-11-29 19:44:50,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:44:50,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:50,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:44:50,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:44:50,797 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2020-11-29 19:44:51,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:51,083 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2020-11-29 19:44:51,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 19:44:51,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-29 19:44:51,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:51,091 INFO L225 Difference]: With dead ends: 1257 [2020-11-29 19:44:51,091 INFO L226 Difference]: Without dead ends: 855 [2020-11-29 19:44:51,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-29 19:44:51,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-11-29 19:44:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2020-11-29 19:44:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-11-29 19:44:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2020-11-29 19:44:51,142 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2020-11-29 19:44:51,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:51,143 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2020-11-29 19:44:51,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:44:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2020-11-29 19:44:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:44:51,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:51,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:51,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:44:51,145 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:51,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:51,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1332185050, now seen corresponding path program 1 times [2020-11-29 19:44:51,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:51,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360533097] [2020-11-29 19:44:51,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:44:51,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360533097] [2020-11-29 19:44:51,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:51,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:44:51,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144755433] [2020-11-29 19:44:51,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:51,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:51,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:51,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:51,232 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2020-11-29 19:44:51,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:51,310 INFO L93 Difference]: Finished difference Result 497 states and 647 transitions. [2020-11-29 19:44:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:51,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-11-29 19:44:51,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:51,313 INFO L225 Difference]: With dead ends: 497 [2020-11-29 19:44:51,313 INFO L226 Difference]: Without dead ends: 204 [2020-11-29 19:44:51,315 INFO L677 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 [2020-11-29 19:44:51,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-11-29 19:44:51,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2020-11-29 19:44:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-29 19:44:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 256 transitions. [2020-11-29 19:44:51,335 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 256 transitions. Word has length 54 [2020-11-29 19:44:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:51,335 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 256 transitions. [2020-11-29 19:44:51,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 256 transitions. [2020-11-29 19:44:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 19:44:51,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:51,337 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:51,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:44:51,337 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:51,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1913318755, now seen corresponding path program 1 times [2020-11-29 19:44:51,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:51,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871745010] [2020-11-29 19:44:51,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:51,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871745010] [2020-11-29 19:44:51,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:51,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:44:51,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857760334] [2020-11-29 19:44:51,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:44:51,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:51,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:44:51,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:44:51,416 INFO L87 Difference]: Start difference. First operand 204 states and 256 transitions. Second operand 3 states. [2020-11-29 19:44:51,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:51,463 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2020-11-29 19:44:51,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:44:51,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-29 19:44:51,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:51,466 INFO L225 Difference]: With dead ends: 319 [2020-11-29 19:44:51,466 INFO L226 Difference]: Without dead ends: 317 [2020-11-29 19:44:51,467 INFO L677 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 [2020-11-29 19:44:51,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-11-29 19:44:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 230. [2020-11-29 19:44:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-11-29 19:44:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 294 transitions. [2020-11-29 19:44:51,491 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 294 transitions. Word has length 58 [2020-11-29 19:44:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:51,492 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 294 transitions. [2020-11-29 19:44:51,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:44:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2020-11-29 19:44:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-29 19:44:51,493 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:51,494 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:51,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:44:51,494 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:51,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:51,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1735772514, now seen corresponding path program 1 times [2020-11-29 19:44:51,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:51,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960950913] [2020-11-29 19:44:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:44:51,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960950913] [2020-11-29 19:44:51,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:51,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:44:51,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139429818] [2020-11-29 19:44:51,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:44:51,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:51,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:44:51,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:44:51,669 INFO L87 Difference]: Start difference. First operand 230 states and 294 transitions. Second operand 5 states. [2020-11-29 19:44:51,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:51,931 INFO L93 Difference]: Finished difference Result 647 states and 848 transitions. [2020-11-29 19:44:51,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:44:51,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-29 19:44:51,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:51,935 INFO L225 Difference]: With dead ends: 647 [2020-11-29 19:44:51,936 INFO L226 Difference]: Without dead ends: 474 [2020-11-29 19:44:51,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:44:51,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-11-29 19:44:51,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 319. [2020-11-29 19:44:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-11-29 19:44:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2020-11-29 19:44:51,976 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 82 [2020-11-29 19:44:51,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:51,976 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2020-11-29 19:44:51,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:44:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2020-11-29 19:44:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-29 19:44:51,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:51,978 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:51,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:44:51,978 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:51,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:51,978 INFO L82 PathProgramCache]: Analyzing trace with hash 714704160, now seen corresponding path program 1 times [2020-11-29 19:44:51,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:51,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322851605] [2020-11-29 19:44:51,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:52,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322851605] [2020-11-29 19:44:52,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655908766] [2020-11-29 19:44:52,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:44:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:52,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:44:52,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:44:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:44:52,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:44:52,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 19:44:52,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730342462] [2020-11-29 19:44:52,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:44:52,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:52,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:44:52,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:44:52,334 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand 4 states. [2020-11-29 19:44:52,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:52,529 INFO L93 Difference]: Finished difference Result 982 states and 1270 transitions. [2020-11-29 19:44:52,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:44:52,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-11-29 19:44:52,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:52,536 INFO L225 Difference]: With dead ends: 982 [2020-11-29 19:44:52,536 INFO L226 Difference]: Without dead ends: 667 [2020-11-29 19:44:52,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:44:52,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-11-29 19:44:52,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 645. [2020-11-29 19:44:52,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-11-29 19:44:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 821 transitions. [2020-11-29 19:44:52,620 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 821 transitions. Word has length 82 [2020-11-29 19:44:52,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:52,621 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 821 transitions. [2020-11-29 19:44:52,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:44:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 821 transitions. [2020-11-29 19:44:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-29 19:44:52,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:52,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:52,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-29 19:44:52,852 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:52,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:52,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1341405728, now seen corresponding path program 1 times [2020-11-29 19:44:52,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:52,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984566178] [2020-11-29 19:44:52,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:44:52,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984566178] [2020-11-29 19:44:52,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155530335] [2020-11-29 19:44:52,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:44:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:53,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 19:44:53,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:44:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 19:44:53,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:44:53,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-11-29 19:44:53,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317458441] [2020-11-29 19:44:53,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:44:53,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:53,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:44:53,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:44:53,187 INFO L87 Difference]: Start difference. First operand 645 states and 821 transitions. Second operand 5 states. [2020-11-29 19:44:53,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:53,342 INFO L93 Difference]: Finished difference Result 1102 states and 1384 transitions. [2020-11-29 19:44:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:44:53,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-29 19:44:53,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:53,345 INFO L225 Difference]: With dead ends: 1102 [2020-11-29 19:44:53,345 INFO L226 Difference]: Without dead ends: 464 [2020-11-29 19:44:53,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:44:53,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-11-29 19:44:53,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 274. [2020-11-29 19:44:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-29 19:44:53,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 333 transitions. [2020-11-29 19:44:53,388 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 333 transitions. Word has length 82 [2020-11-29 19:44:53,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:53,388 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 333 transitions. [2020-11-29 19:44:53,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:44:53,388 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 333 transitions. [2020-11-29 19:44:53,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-29 19:44:53,390 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:44:53,390 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:44:53,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 19:44:53,612 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:44:53,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:44:53,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1083755776, now seen corresponding path program 2 times [2020-11-29 19:44:53,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:44:53,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578267617] [2020-11-29 19:44:53,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:44:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:44:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:44:53,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578267617] [2020-11-29 19:44:53,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:44:53,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:44:53,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696016803] [2020-11-29 19:44:53,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:44:53,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:44:53,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:44:53,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:44:53,750 INFO L87 Difference]: Start difference. First operand 274 states and 333 transitions. Second operand 6 states. [2020-11-29 19:44:53,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:53,926 INFO L93 Difference]: Finished difference Result 608 states and 738 transitions. [2020-11-29 19:44:53,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:44:53,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-11-29 19:44:53,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:53,927 INFO L225 Difference]: With dead ends: 608 [2020-11-29 19:44:53,927 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:44:53,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:44:53,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:44:53,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:44:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:44:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:44:53,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-11-29 19:44:53,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:53,929 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:44:53,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:44:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:44:53,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:44:53,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 19:44:53,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:44:54,273 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 115 [2020-11-29 19:44:54,442 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 132 [2020-11-29 19:44:54,933 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 171 [2020-11-29 19:44:55,303 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2020-11-29 19:44:55,593 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 173 [2020-11-29 19:44:55,835 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2020-11-29 19:44:55,981 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 105 [2020-11-29 19:44:56,167 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2020-11-29 19:44:56,476 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 174 [2020-11-29 19:44:56,815 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2020-11-29 19:44:57,097 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 23 [2020-11-29 19:44:57,662 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 31 [2020-11-29 19:44:58,361 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 38 [2020-11-29 19:44:58,626 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 13 [2020-11-29 19:44:59,495 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-11-29 19:44:59,617 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2020-11-29 19:45:00,297 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-11-29 19:45:00,949 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 37 [2020-11-29 19:45:01,126 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-11-29 19:45:01,645 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 29 [2020-11-29 19:45:02,022 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 26 [2020-11-29 19:45:02,463 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 38 [2020-11-29 19:45:02,587 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-11-29 19:45:03,142 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2020-11-29 19:45:03,155 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:45:03,155 INFO L274 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-11-29 19:45:03,155 INFO L274 CegarLoopResult]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2020-11-29 19:45:03,155 INFO L274 CegarLoopResult]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2020-11-29 19:45:03,155 INFO L274 CegarLoopResult]: For program point L102(lines 102 119) no Hoare annotation was computed. [2020-11-29 19:45:03,155 INFO L274 CegarLoopResult]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2020-11-29 19:45:03,155 INFO L274 CegarLoopResult]: For program point L102-1(lines 102 119) no Hoare annotation was computed. [2020-11-29 19:45:03,155 INFO L274 CegarLoopResult]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L274 CegarLoopResult]: For program point L102-2(lines 102 119) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L274 CegarLoopResult]: For program point L102-3(lines 102 119) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L274 CegarLoopResult]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L274 CegarLoopResult]: For program point L102-4(lines 102 119) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L274 CegarLoopResult]: For program point L102-5(lines 102 119) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 19:45:03,156 INFO L270 CegarLoopResult]: At program point L532(lines 527 535) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 19:45:03,157 INFO L270 CegarLoopResult]: At program point L70(lines 69 88) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse4 .cse6 .cse3 .cse5) (and .cse6 .cse1 .cse2 .cse3))) [2020-11-29 19:45:03,157 INFO L274 CegarLoopResult]: For program point L70-1(lines 70 76) no Hoare annotation was computed. [2020-11-29 19:45:03,157 INFO L270 CegarLoopResult]: At program point L70-2(lines 69 88) the Hoare annotation is: false [2020-11-29 19:45:03,157 INFO L270 CegarLoopResult]: At program point L70-3(lines 69 88) the Hoare annotation is: false [2020-11-29 19:45:03,157 INFO L270 CegarLoopResult]: At program point L369(lines 364 371) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 19:45:03,157 INFO L274 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-11-29 19:45:03,157 INFO L274 CegarLoopResult]: For program point L106(lines 106 114) no Hoare annotation was computed. [2020-11-29 19:45:03,157 INFO L274 CegarLoopResult]: For program point L106-1(lines 106 114) no Hoare annotation was computed. [2020-11-29 19:45:03,157 INFO L274 CegarLoopResult]: For program point L106-2(lines 106 114) no Hoare annotation was computed. [2020-11-29 19:45:03,157 INFO L274 CegarLoopResult]: For program point L106-3(lines 106 114) no Hoare annotation was computed. [2020-11-29 19:45:03,158 INFO L274 CegarLoopResult]: For program point L106-4(lines 106 114) no Hoare annotation was computed. [2020-11-29 19:45:03,158 INFO L274 CegarLoopResult]: For program point L106-5(lines 106 114) no Hoare annotation was computed. [2020-11-29 19:45:03,158 INFO L270 CegarLoopResult]: At program point L273(lines 258 276) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse6 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-29 19:45:03,158 INFO L270 CegarLoopResult]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2020-11-29 19:45:03,158 INFO L270 CegarLoopResult]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2020-11-29 19:45:03,158 INFO L274 CegarLoopResult]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-11-29 19:45:03,158 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:45:03,158 INFO L274 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-11-29 19:45:03,158 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-29 19:45:03,159 INFO L270 CegarLoopResult]: At program point L77(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse6) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-29 19:45:03,159 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: false [2020-11-29 19:45:03,159 INFO L270 CegarLoopResult]: At program point L77-2(lines 77 83) the Hoare annotation is: false [2020-11-29 19:45:03,159 INFO L270 CegarLoopResult]: At program point L1002(lines 997 1005) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2020-11-29 19:45:03,159 INFO L270 CegarLoopResult]: At program point L1002-1(lines 997 1005) the Hoare annotation is: false [2020-11-29 19:45:03,159 INFO L270 CegarLoopResult]: At program point L1002-2(lines 997 1005) the Hoare annotation is: false [2020-11-29 19:45:03,159 INFO L274 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-11-29 19:45:03,159 INFO L270 CegarLoopResult]: At program point L342-1(lines 70 76) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse3))) [2020-11-29 19:45:03,159 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 19:45:03,159 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-29 19:45:03,160 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-29 19:45:03,160 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-11-29 19:45:03,160 INFO L270 CegarLoopResult]: At program point L380-1(lines 1 1005) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (and .cse8 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse4 .cse10) (and .cse8 .cse5 .cse3 .cse9 .cse4 .cse10))) [2020-11-29 19:45:03,160 INFO L270 CegarLoopResult]: At program point L413-2(lines 413 427) the Hoare annotation is: false [2020-11-29 19:45:03,160 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-11-29 19:45:03,160 INFO L274 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-11-29 19:45:03,160 INFO L270 CegarLoopResult]: At program point L380-3(lines 1 1005) the Hoare annotation is: false [2020-11-29 19:45:03,160 INFO L270 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-11-29 19:45:03,160 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,160 INFO L274 CegarLoopResult]: For program point L380-4(lines 380 397) no Hoare annotation was computed. [2020-11-29 19:45:03,160 INFO L270 CegarLoopResult]: At program point L380-5(lines 1 1005) the Hoare annotation is: false [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L910-3(lines 910 914) no Hoare annotation was computed. [2020-11-29 19:45:03,161 INFO L274 CegarLoopResult]: For program point L910-6(lines 910 914) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L270 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (and .cse8 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse4 .cse10) (and .cse8 .cse5 .cse3 .cse9 .cse4 .cse10))) [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L384(lines 384 394) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L417-1(lines 70 76) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L384-2(lines 384 394) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L384-4(lines 384 394) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L385(lines 385 391) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L385-2(lines 385 391) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L274 CegarLoopResult]: For program point L385-4(lines 385 391) no Hoare annotation was computed. [2020-11-29 19:45:03,162 INFO L270 CegarLoopResult]: At program point L947(lines 942 950) the Hoare annotation is: false [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L947-1(lines 942 950) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L947-2(lines 942 950) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3 .cse4 .cse8) (and .cse7 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L947-3(lines 942 950) the Hoare annotation is: false [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L947-4(lines 942 950) the Hoare annotation is: false [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L947-5(lines 942 950) the Hoare annotation is: false [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L947-6(lines 942 950) the Hoare annotation is: false [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L947-7(lines 942 950) the Hoare annotation is: false [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L947-8(lines 942 950) the Hoare annotation is: false [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L254(lines 239 257) the Hoare annotation is: false [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse7 .cse8) (and .cse1 .cse5 .cse6 .cse3 .cse4 .cse7 .cse8))) [2020-11-29 19:45:03,163 INFO L270 CegarLoopResult]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L254-3(lines 239 257) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L190(lines 183 193) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L190-1(lines 183 193) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L190-3(lines 183 193) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L190-4(lines 183 193) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L270 CegarLoopResult]: At program point L190-5(lines 183 193) the Hoare annotation is: false [2020-11-29 19:45:03,164 INFO L274 CegarLoopResult]: For program point L488(lines 488 495) no Hoare annotation was computed. [2020-11-29 19:45:03,164 INFO L277 CegarLoopResult]: At program point L488-1(lines 488 495) the Hoare annotation is: true [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L270 CegarLoopResult]: At program point L524(lines 1 1005) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L270 CegarLoopResult]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse3))) [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L128(lines 128 145) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 145) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L128-2(lines 128 145) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L987-3(lines 987 993) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L987-5(lines 987 993) no Hoare annotation was computed. [2020-11-29 19:45:03,165 INFO L274 CegarLoopResult]: For program point L922(lines 922 926) no Hoare annotation was computed. [2020-11-29 19:45:03,168 INFO L270 CegarLoopResult]: At program point L461(lines 457 463) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 19:45:03,168 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:45:03,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L132(lines 132 140) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 140) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 140) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L165-6(lines 165 171) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L165-8(lines 165 171) no Hoare annotation was computed. [2020-11-29 19:45:03,169 INFO L274 CegarLoopResult]: For program point L165-10(lines 165 171) no Hoare annotation was computed. [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L199(lines 194 202) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)))) [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L992(lines 983 996) the Hoare annotation is: false [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L992-1(lines 983 996) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse1 .cse5 .cse3 .cse4 .cse6 .cse7))) [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L992-2(lines 983 996) the Hoare annotation is: false [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L992-3(lines 983 996) the Hoare annotation is: false [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L992-4(lines 983 996) the Hoare annotation is: false [2020-11-29 19:45:03,170 INFO L270 CegarLoopResult]: At program point L992-5(lines 983 996) the Hoare annotation is: false [2020-11-29 19:45:03,170 INFO L277 CegarLoopResult]: At program point L497(lines 478 500) the Hoare annotation is: true [2020-11-29 19:45:03,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:45:03 BoogieIcfgContainer [2020-11-29 19:45:03,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:45:03,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:45:03,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:45:03,211 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:45:03,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:44:48" (3/4) ... [2020-11-29 19:45:03,215 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:45:03,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 19:45:03,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 19:45:03,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 19:45:03,239 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:45:03,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:45:03,242 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:45:03,243 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:45:03,269 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-29 19:45:03,269 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-29 19:45:03,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:45:03,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:45:03,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-29 19:45:03,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-29 19:45:03,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) [2020-11-29 19:45:03,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) [2020-11-29 19:45:03,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:45:03,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:45:03,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7eceace8-f6df-4220-bbdc-f00d1694a139/bin/uautomizer/witness.graphml [2020-11-29 19:45:03,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:45:03,346 INFO L168 Benchmark]: Toolchain (without parser) took 17132.95 ms. Allocated memory was 92.3 MB in the beginning and 264.2 MB in the end (delta: 172.0 MB). Free memory was 63.8 MB in the beginning and 150.8 MB in the end (delta: -87.1 MB). Peak memory consumption was 85.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:45:03,346 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 75.5 MB. Free memory was 45.0 MB in the beginning and 44.9 MB in the end (delta: 42.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:45:03,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.43 ms. Allocated memory is still 92.3 MB. Free memory was 63.5 MB in the beginning and 41.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:45:03,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.12 ms. Allocated memory is still 92.3 MB. Free memory was 41.0 MB in the beginning and 67.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:45:03,347 INFO L168 Benchmark]: Boogie Preprocessor took 67.26 ms. Allocated memory is still 92.3 MB. Free memory was 67.4 MB in the beginning and 64.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:45:03,348 INFO L168 Benchmark]: RCFGBuilder took 1239.78 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 64.4 MB in the beginning and 74.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:45:03,348 INFO L168 Benchmark]: TraceAbstraction took 14992.61 ms. Allocated memory was 111.1 MB in the beginning and 264.2 MB in the end (delta: 153.1 MB). Free memory was 73.9 MB in the beginning and 163.4 MB in the end (delta: -89.6 MB). Peak memory consumption was 148.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:45:03,349 INFO L168 Benchmark]: Witness Printer took 134.37 ms. Allocated memory is still 264.2 MB. Free memory was 163.4 MB in the beginning and 150.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:45:03,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 75.5 MB. Free memory was 45.0 MB in the beginning and 44.9 MB in the end (delta: 42.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.43 ms. Allocated memory is still 92.3 MB. Free memory was 63.5 MB in the beginning and 41.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.12 ms. Allocated memory is still 92.3 MB. Free memory was 41.0 MB in the beginning and 67.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.26 ms. Allocated memory is still 92.3 MB. Free memory was 67.4 MB in the beginning and 64.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1239.78 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 64.4 MB in the beginning and 74.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14992.61 ms. Allocated memory was 111.1 MB in the beginning and 264.2 MB in the end (delta: 153.1 MB). Free memory was 73.9 MB in the beginning and 163.4 MB in the end (delta: -89.6 MB). Peak memory consumption was 148.7 MB. Max. memory is 16.1 GB. * Witness Printer took 134.37 ms. Allocated memory is still 264.2 MB. Free memory was 163.4 MB in the beginning and 150.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) || ((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.6s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1850 SDtfs, 2130 SDslu, 2822 SDs, 0 SdLazy, 365 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 2152 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 228 NumberOfFragments, 1098 HoareAnnotationTreeSize, 57 FomulaSimplifications, 1751980 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 238256 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 91173 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1031 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 304/340 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...