./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 43d840a4952877093d97c8e90564eb1be31dea0c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:07:42,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:07:42,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:07:42,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:07:42,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:07:42,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:07:42,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:07:42,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:07:42,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:07:42,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:07:42,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:07:42,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:07:42,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:07:42,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:07:42,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:07:42,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:07:42,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:07:42,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:07:42,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:07:42,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:07:42,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:07:42,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:07:42,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:07:42,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:07:42,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:07:42,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:07:42,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:07:42,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:07:42,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:07:42,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:07:42,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:07:42,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:07:42,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:07:42,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:07:42,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:07:42,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:07:42,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:07:42,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:07:42,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:07:42,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:07:42,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:07:42,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:07:42,946 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:07:42,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:07:42,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:07:42,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:07:42,950 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:07:42,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:07:42,950 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:07:42,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:07:42,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:07:42,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:07:42,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:07:42,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:07:42,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:07:42,952 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:07:42,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:07:42,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:07:42,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:07:42,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:07:42,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:07:42,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:07:42,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:07:42,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:07:42,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:07:42,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:07:42,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:07:42,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:07:42,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:07:42,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:07:42,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:07:42,956 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43d840a4952877093d97c8e90564eb1be31dea0c [2020-10-25 23:07:43,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:07:43,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:07:43,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:07:43,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:07:43,428 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:07:43,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-10-25 23:07:43,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4ce8d09/24fcfc9e170f4b0692c174f41b8e67a2/FLAG3f296e42d [2020-10-25 23:07:44,185 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:07:44,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-10-25 23:07:44,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4ce8d09/24fcfc9e170f4b0692c174f41b8e67a2/FLAG3f296e42d [2020-10-25 23:07:44,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4ce8d09/24fcfc9e170f4b0692c174f41b8e67a2 [2020-10-25 23:07:44,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:07:44,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:07:44,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:44,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:07:44,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:07:44,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:44" (1/1) ... [2020-10-25 23:07:44,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ac0766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:44, skipping insertion in model container [2020-10-25 23:07:44,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:07:44" (1/1) ... [2020-10-25 23:07:44,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:07:44,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:07:44,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:44,956 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:07:45,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:07:45,171 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:07:45,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45 WrapperNode [2020-10-25 23:07:45,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:07:45,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:45,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:07:45,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:07:45,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:07:45,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:07:45,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:07:45,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:07:45,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... [2020-10-25 23:07:45,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:07:45,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:07:45,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:07:45,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:07:45,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 23:07:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:07:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:07:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:07:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:07:46,729 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:07:46,730 INFO L298 CfgBuilder]: Removed 286 assume(true) statements. [2020-10-25 23:07:46,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:46 BoogieIcfgContainer [2020-10-25 23:07:46,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:07:46,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:07:46,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:07:46,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:07:46,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:07:44" (1/3) ... [2020-10-25 23:07:46,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6feaf06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:46, skipping insertion in model container [2020-10-25 23:07:46,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:07:45" (2/3) ... [2020-10-25 23:07:46,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6feaf06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:07:46, skipping insertion in model container [2020-10-25 23:07:46,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:46" (3/3) ... [2020-10-25 23:07:46,744 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2020-10-25 23:07:46,758 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:07:46,764 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:07:46,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:07:46,808 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:07:46,808 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:07:46,808 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:07:46,808 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:07:46,808 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:07:46,808 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:07:46,809 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:07:46,809 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:07:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2020-10-25 23:07:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:07:46,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:46,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:46,841 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:46,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:46,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1505234651, now seen corresponding path program 1 times [2020-10-25 23:07:46,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:46,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382469838] [2020-10-25 23:07:46,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:47,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382469838] [2020-10-25 23:07:47,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:47,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:47,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257982634] [2020-10-25 23:07:47,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:07:47,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:47,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:07:47,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:07:47,161 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 2 states. [2020-10-25 23:07:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:47,253 INFO L93 Difference]: Finished difference Result 379 states and 578 transitions. [2020-10-25 23:07:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:07:47,254 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:07:47,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:47,270 INFO L225 Difference]: With dead ends: 379 [2020-10-25 23:07:47,270 INFO L226 Difference]: Without dead ends: 187 [2020-10-25 23:07:47,275 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 [2020-10-25 23:07:47,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-25 23:07:47,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-25 23:07:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-25 23:07:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-10-25 23:07:47,377 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-10-25 23:07:47,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:47,378 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-10-25 23:07:47,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:07:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-10-25 23:07:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:07:47,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:47,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:47,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:07:47,382 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:47,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:47,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1742975748, now seen corresponding path program 1 times [2020-10-25 23:07:47,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:47,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786486504] [2020-10-25 23:07:47,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:47,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786486504] [2020-10-25 23:07:47,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:47,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:07:47,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31109618] [2020-10-25 23:07:47,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:47,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:47,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:47,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:47,593 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-10-25 23:07:47,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:47,607 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-10-25 23:07:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:47,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:07:47,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:47,610 INFO L225 Difference]: With dead ends: 187 [2020-10-25 23:07:47,610 INFO L226 Difference]: Without dead ends: 73 [2020-10-25 23:07:47,611 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 [2020-10-25 23:07:47,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-25 23:07:47,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-25 23:07:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-25 23:07:47,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-10-25 23:07:47,620 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-10-25 23:07:47,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:47,620 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-10-25 23:07:47,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-10-25 23:07:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:07:47,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:47,622 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] [2020-10-25 23:07:47,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:07:47,623 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:47,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:47,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2020-10-25 23:07:47,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:47,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041716859] [2020-10-25 23:07:47,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:47,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041716859] [2020-10-25 23:07:47,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:47,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:47,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712335676] [2020-10-25 23:07:47,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:07:47,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:47,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:07:47,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:07:47,809 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 6 states. [2020-10-25 23:07:48,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:48,081 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2020-10-25 23:07:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:48,082 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-25 23:07:48,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:48,085 INFO L225 Difference]: With dead ends: 230 [2020-10-25 23:07:48,086 INFO L226 Difference]: Without dead ends: 163 [2020-10-25 23:07:48,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:48,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-25 23:07:48,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2020-10-25 23:07:48,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-25 23:07:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2020-10-25 23:07:48,122 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2020-10-25 23:07:48,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:48,123 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2020-10-25 23:07:48,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:07:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2020-10-25 23:07:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:07:48,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:48,127 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] [2020-10-25 23:07:48,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:07:48,128 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:48,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:48,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2020-10-25 23:07:48,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:48,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796652820] [2020-10-25 23:07:48,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:48,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796652820] [2020-10-25 23:07:48,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:48,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:07:48,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640594446] [2020-10-25 23:07:48,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:07:48,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:48,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:07:48,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:07:48,269 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2020-10-25 23:07:48,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:48,357 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2020-10-25 23:07:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:07:48,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-25 23:07:48,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:48,359 INFO L225 Difference]: With dead ends: 187 [2020-10-25 23:07:48,360 INFO L226 Difference]: Without dead ends: 101 [2020-10-25 23:07:48,361 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 [2020-10-25 23:07:48,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-25 23:07:48,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-10-25 23:07:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-25 23:07:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2020-10-25 23:07:48,383 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2020-10-25 23:07:48,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:48,385 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2020-10-25 23:07:48,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:07:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2020-10-25 23:07:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:07:48,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:48,389 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] [2020-10-25 23:07:48,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:07:48,390 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:48,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:48,390 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2020-10-25 23:07:48,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:48,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843617067] [2020-10-25 23:07:48,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:48,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843617067] [2020-10-25 23:07:48,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:48,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-25 23:07:48,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755429278] [2020-10-25 23:07:48,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 23:07:48,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:48,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 23:07:48,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:48,502 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand 8 states. [2020-10-25 23:07:48,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:48,962 INFO L93 Difference]: Finished difference Result 637 states and 929 transitions. [2020-10-25 23:07:48,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-25 23:07:48,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-25 23:07:48,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:48,972 INFO L225 Difference]: With dead ends: 637 [2020-10-25 23:07:48,973 INFO L226 Difference]: Without dead ends: 544 [2020-10-25 23:07:48,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-25 23:07:48,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-10-25 23:07:49,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 241. [2020-10-25 23:07:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-25 23:07:49,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2020-10-25 23:07:49,023 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 25 [2020-10-25 23:07:49,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:49,023 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2020-10-25 23:07:49,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 23:07:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2020-10-25 23:07:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-25 23:07:49,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:49,029 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:49,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:07:49,030 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:49,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:49,031 INFO L82 PathProgramCache]: Analyzing trace with hash -2100121622, now seen corresponding path program 1 times [2020-10-25 23:07:49,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:49,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120887297] [2020-10-25 23:07:49,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:49,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120887297] [2020-10-25 23:07:49,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560039053] [2020-10-25 23:07:49,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 23:07:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:49,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 23:07:49,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:07:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:49,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 23:07:49,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-25 23:07:49,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426041618] [2020-10-25 23:07:49,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:07:49,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:49,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:07:49,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:49,417 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand 4 states. [2020-10-25 23:07:49,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:49,604 INFO L93 Difference]: Finished difference Result 539 states and 767 transitions. [2020-10-25 23:07:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:07:49,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-10-25 23:07:49,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:49,608 INFO L225 Difference]: With dead ends: 539 [2020-10-25 23:07:49,609 INFO L226 Difference]: Without dead ends: 364 [2020-10-25 23:07:49,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:49,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-25 23:07:49,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 351. [2020-10-25 23:07:49,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-25 23:07:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 496 transitions. [2020-10-25 23:07:49,647 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 496 transitions. Word has length 40 [2020-10-25 23:07:49,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:49,647 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 496 transitions. [2020-10-25 23:07:49,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:07:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 496 transitions. [2020-10-25 23:07:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-25 23:07:49,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:49,650 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:49,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-25 23:07:49,864 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:49,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:49,864 INFO L82 PathProgramCache]: Analyzing trace with hash -512827560, now seen corresponding path program 1 times [2020-10-25 23:07:49,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:49,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104217138] [2020-10-25 23:07:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 23:07:49,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104217138] [2020-10-25 23:07:49,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:49,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:49,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919815450] [2020-10-25 23:07:49,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:49,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:49,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:49,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:49,945 INFO L87 Difference]: Start difference. First operand 351 states and 496 transitions. Second operand 5 states. [2020-10-25 23:07:50,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:50,088 INFO L93 Difference]: Finished difference Result 1077 states and 1510 transitions. [2020-10-25 23:07:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:07:50,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-10-25 23:07:50,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:50,093 INFO L225 Difference]: With dead ends: 1077 [2020-10-25 23:07:50,094 INFO L226 Difference]: Without dead ends: 732 [2020-10-25 23:07:50,095 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 [2020-10-25 23:07:50,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-10-25 23:07:50,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 381. [2020-10-25 23:07:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-25 23:07:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 526 transitions. [2020-10-25 23:07:50,135 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 526 transitions. Word has length 49 [2020-10-25 23:07:50,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:50,136 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 526 transitions. [2020-10-25 23:07:50,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 526 transitions. [2020-10-25 23:07:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-25 23:07:50,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:50,138 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:50,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:07:50,139 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:50,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:50,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1022300650, now seen corresponding path program 1 times [2020-10-25 23:07:50,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:50,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95238680] [2020-10-25 23:07:50,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 23:07:50,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95238680] [2020-10-25 23:07:50,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:50,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:07:50,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370221526] [2020-10-25 23:07:50,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:07:50,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:50,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:07:50,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:07:50,214 INFO L87 Difference]: Start difference. First operand 381 states and 526 transitions. Second operand 4 states. [2020-10-25 23:07:50,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:50,322 INFO L93 Difference]: Finished difference Result 891 states and 1233 transitions. [2020-10-25 23:07:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:07:50,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-10-25 23:07:50,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:50,326 INFO L225 Difference]: With dead ends: 891 [2020-10-25 23:07:50,326 INFO L226 Difference]: Without dead ends: 516 [2020-10-25 23:07:50,328 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 [2020-10-25 23:07:50,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-10-25 23:07:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 344. [2020-10-25 23:07:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-25 23:07:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 468 transitions. [2020-10-25 23:07:50,366 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 468 transitions. Word has length 49 [2020-10-25 23:07:50,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:50,367 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 468 transitions. [2020-10-25 23:07:50,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:07:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 468 transitions. [2020-10-25 23:07:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-25 23:07:50,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:50,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:50,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:07:50,369 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:50,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:50,370 INFO L82 PathProgramCache]: Analyzing trace with hash 930246806, now seen corresponding path program 1 times [2020-10-25 23:07:50,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:50,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151730177] [2020-10-25 23:07:50,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:07:50,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151730177] [2020-10-25 23:07:50,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:50,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:50,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407496320] [2020-10-25 23:07:50,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:07:50,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:50,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:07:50,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:07:50,488 INFO L87 Difference]: Start difference. First operand 344 states and 468 transitions. Second operand 6 states. [2020-10-25 23:07:50,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:50,816 INFO L93 Difference]: Finished difference Result 1946 states and 2692 transitions. [2020-10-25 23:07:50,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-25 23:07:50,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-10-25 23:07:50,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:50,826 INFO L225 Difference]: With dead ends: 1946 [2020-10-25 23:07:50,826 INFO L226 Difference]: Without dead ends: 1608 [2020-10-25 23:07:50,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-25 23:07:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-10-25 23:07:50,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 680. [2020-10-25 23:07:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-25 23:07:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 913 transitions. [2020-10-25 23:07:50,919 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 913 transitions. Word has length 50 [2020-10-25 23:07:50,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:50,922 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 913 transitions. [2020-10-25 23:07:50,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:07:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 913 transitions. [2020-10-25 23:07:50,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-25 23:07:50,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:50,927 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] [2020-10-25 23:07:50,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:07:50,928 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:50,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:50,929 INFO L82 PathProgramCache]: Analyzing trace with hash 2117456978, now seen corresponding path program 1 times [2020-10-25 23:07:50,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:50,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114787182] [2020-10-25 23:07:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:07:51,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114787182] [2020-10-25 23:07:51,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:51,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:51,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170159514] [2020-10-25 23:07:51,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:51,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:51,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:51,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:51,034 INFO L87 Difference]: Start difference. First operand 680 states and 913 transitions. Second operand 5 states. [2020-10-25 23:07:51,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:51,397 INFO L93 Difference]: Finished difference Result 1836 states and 2464 transitions. [2020-10-25 23:07:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:07:51,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-25 23:07:51,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:51,408 INFO L225 Difference]: With dead ends: 1836 [2020-10-25 23:07:51,409 INFO L226 Difference]: Without dead ends: 1834 [2020-10-25 23:07:51,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:07:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2020-10-25 23:07:51,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 680. [2020-10-25 23:07:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-25 23:07:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 903 transitions. [2020-10-25 23:07:51,513 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 903 transitions. Word has length 51 [2020-10-25 23:07:51,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:51,514 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 903 transitions. [2020-10-25 23:07:51,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 903 transitions. [2020-10-25 23:07:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-25 23:07:51,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:51,516 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:51,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:07:51,517 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:51,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1311509310, now seen corresponding path program 1 times [2020-10-25 23:07:51,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:51,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58619396] [2020-10-25 23:07:51,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:51,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58619396] [2020-10-25 23:07:51,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405645828] [2020-10-25 23:07:51,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 23:07:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:51,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-25 23:07:51,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:07:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:07:51,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 23:07:51,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-25 23:07:51,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753756750] [2020-10-25 23:07:51,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 23:07:51,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:51,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 23:07:51,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:07:51,882 INFO L87 Difference]: Start difference. First operand 680 states and 903 transitions. Second operand 8 states. [2020-10-25 23:07:52,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:52,375 INFO L93 Difference]: Finished difference Result 1900 states and 2519 transitions. [2020-10-25 23:07:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-25 23:07:52,376 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-10-25 23:07:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:52,384 INFO L225 Difference]: With dead ends: 1900 [2020-10-25 23:07:52,385 INFO L226 Difference]: Without dead ends: 1312 [2020-10-25 23:07:52,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-25 23:07:52,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-10-25 23:07:52,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 604. [2020-10-25 23:07:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-25 23:07:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 790 transitions. [2020-10-25 23:07:52,493 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 790 transitions. Word has length 57 [2020-10-25 23:07:52,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:52,495 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 790 transitions. [2020-10-25 23:07:52,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 23:07:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 790 transitions. [2020-10-25 23:07:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-25 23:07:52,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:52,497 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:52,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 23:07:52,713 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:52,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:52,713 INFO L82 PathProgramCache]: Analyzing trace with hash -468545298, now seen corresponding path program 2 times [2020-10-25 23:07:52,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:52,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974013724] [2020-10-25 23:07:52,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:07:52,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974013724] [2020-10-25 23:07:52,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:52,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:52,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801100147] [2020-10-25 23:07:52,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:52,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:52,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:52,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:52,877 INFO L87 Difference]: Start difference. First operand 604 states and 790 transitions. Second operand 5 states. [2020-10-25 23:07:53,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:53,329 INFO L93 Difference]: Finished difference Result 1832 states and 2420 transitions. [2020-10-25 23:07:53,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:53,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-25 23:07:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:53,337 INFO L225 Difference]: With dead ends: 1832 [2020-10-25 23:07:53,337 INFO L226 Difference]: Without dead ends: 1318 [2020-10-25 23:07:53,339 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 [2020-10-25 23:07:53,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2020-10-25 23:07:53,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 836. [2020-10-25 23:07:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-10-25 23:07:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1089 transitions. [2020-10-25 23:07:53,495 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1089 transitions. Word has length 82 [2020-10-25 23:07:53,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:53,495 INFO L481 AbstractCegarLoop]: Abstraction has 836 states and 1089 transitions. [2020-10-25 23:07:53,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1089 transitions. [2020-10-25 23:07:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-25 23:07:53,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:07:53,498 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:07:53,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 23:07:53,499 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:07:53,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:07:53,500 INFO L82 PathProgramCache]: Analyzing trace with hash -862912084, now seen corresponding path program 1 times [2020-10-25 23:07:53,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:07:53,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337197997] [2020-10-25 23:07:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:07:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:07:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-25 23:07:53,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337197997] [2020-10-25 23:07:53,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:07:53,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:07:53,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937591256] [2020-10-25 23:07:53,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:07:53,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:07:53,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:07:53,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:07:53,614 INFO L87 Difference]: Start difference. First operand 836 states and 1089 transitions. Second operand 5 states. [2020-10-25 23:07:53,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:07:53,804 INFO L93 Difference]: Finished difference Result 1614 states and 2096 transitions. [2020-10-25 23:07:53,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:07:53,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-25 23:07:53,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:07:53,806 INFO L225 Difference]: With dead ends: 1614 [2020-10-25 23:07:53,806 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:07:53,811 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 [2020-10-25 23:07:53,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:07:53,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:07:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:07:53,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:07:53,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-10-25 23:07:53,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:07:53,813 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:07:53,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:07:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:07:53,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:07:53,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 23:07:53,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:07:54,031 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2020-10-25 23:07:55,122 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 243 [2020-10-25 23:07:56,508 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 329 DAG size of output: 250 [2020-10-25 23:07:56,652 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2020-10-25 23:07:57,556 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 273 [2020-10-25 23:07:57,848 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 149 [2020-10-25 23:07:58,003 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 124 [2020-10-25 23:07:58,754 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 288 [2020-10-25 23:07:58,942 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 161 [2020-10-25 23:07:59,552 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 264 [2020-10-25 23:07:59,885 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 197 [2020-10-25 23:08:00,034 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 121 [2020-10-25 23:08:00,585 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2020-10-25 23:08:02,658 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 236 DAG size of output: 31 [2020-10-25 23:08:04,906 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 245 DAG size of output: 30 [2020-10-25 23:08:05,171 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 11 [2020-10-25 23:08:05,552 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 22 [2020-10-25 23:08:08,408 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 264 DAG size of output: 29 [2020-10-25 23:08:09,065 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-10-25 23:08:09,782 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 28 [2020-10-25 23:08:12,494 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 284 DAG size of output: 30 [2020-10-25 23:08:13,454 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-10-25 23:08:16,106 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 261 DAG size of output: 31 [2020-10-25 23:08:16,292 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 11 [2020-10-25 23:08:16,519 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2020-10-25 23:08:17,846 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 189 DAG size of output: 30 [2020-10-25 23:08:18,535 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 25 [2020-10-25 23:08:18,754 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 16 [2020-10-25 23:08:18,761 INFO L274 CegarLoopResult]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,761 INFO L274 CegarLoopResult]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,761 INFO L274 CegarLoopResult]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,761 INFO L274 CegarLoopResult]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,761 INFO L274 CegarLoopResult]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,761 INFO L274 CegarLoopResult]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,762 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:18,762 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-25 23:08:18,762 INFO L274 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-10-25 23:08:18,762 INFO L274 CegarLoopResult]: For program point L432-2(line 432) no Hoare annotation was computed. [2020-10-25 23:08:18,762 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:08:18,762 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:08:18,762 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:08:18,763 INFO L270 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: false [2020-10-25 23:08:18,763 INFO L270 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2020-10-25 23:08:18,763 INFO L270 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2020-10-25 23:08:18,763 INFO L274 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-10-25 23:08:18,763 INFO L274 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,763 INFO L274 CegarLoopResult]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,763 INFO L274 CegarLoopResult]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,763 INFO L274 CegarLoopResult]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,763 INFO L270 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-25 23:08:18,764 INFO L274 CegarLoopResult]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,764 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-10-25 23:08:18,764 INFO L270 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-10-25 23:08:18,764 INFO L274 CegarLoopResult]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,764 INFO L270 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-10-25 23:08:18,764 INFO L274 CegarLoopResult]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,765 INFO L270 CegarLoopResult]: At program point L997(lines 992 1000) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-25 23:08:18,765 INFO L274 CegarLoopResult]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,765 INFO L270 CegarLoopResult]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2020-10-25 23:08:18,765 INFO L274 CegarLoopResult]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,765 INFO L270 CegarLoopResult]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2020-10-25 23:08:18,765 INFO L270 CegarLoopResult]: At program point L997-3(lines 992 1000) the Hoare annotation is: false [2020-10-25 23:08:18,766 INFO L274 CegarLoopResult]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,766 INFO L270 CegarLoopResult]: At program point L997-4(lines 992 1000) the Hoare annotation is: false [2020-10-25 23:08:18,766 INFO L274 CegarLoopResult]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,766 INFO L270 CegarLoopResult]: At program point L997-5(lines 992 1000) the Hoare annotation is: false [2020-10-25 23:08:18,766 INFO L274 CegarLoopResult]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2020-10-25 23:08:18,766 INFO L274 CegarLoopResult]: For program point L372(lines 372 385) no Hoare annotation was computed. [2020-10-25 23:08:18,767 INFO L270 CegarLoopResult]: At program point L372-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse0 .cse4 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-25 23:08:18,767 INFO L274 CegarLoopResult]: For program point L372-2(lines 372 385) no Hoare annotation was computed. [2020-10-25 23:08:18,767 INFO L270 CegarLoopResult]: At program point L372-3(lines 1 1000) the Hoare annotation is: false [2020-10-25 23:08:18,767 INFO L274 CegarLoopResult]: For program point L372-4(lines 372 385) no Hoare annotation was computed. [2020-10-25 23:08:18,767 INFO L270 CegarLoopResult]: At program point L372-5(lines 1 1000) the Hoare annotation is: false [2020-10-25 23:08:18,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:18,768 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-25 23:08:18,768 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse4 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) (and .cse4 .cse0 .cse2))) [2020-10-25 23:08:18,768 INFO L270 CegarLoopResult]: At program point L342(lines 327 345) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-25 23:08:18,769 INFO L270 CegarLoopResult]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2020-10-25 23:08:18,769 INFO L270 CegarLoopResult]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2020-10-25 23:08:18,769 INFO L270 CegarLoopResult]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2020-10-25 23:08:18,769 INFO L270 CegarLoopResult]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2020-10-25 23:08:18,769 INFO L270 CegarLoopResult]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2020-10-25 23:08:18,769 INFO L274 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-10-25 23:08:18,770 INFO L274 CegarLoopResult]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2020-10-25 23:08:18,770 INFO L274 CegarLoopResult]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2020-10-25 23:08:18,770 INFO L274 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-10-25 23:08:18,770 INFO L274 CegarLoopResult]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2020-10-25 23:08:18,770 INFO L274 CegarLoopResult]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2020-10-25 23:08:18,770 INFO L270 CegarLoopResult]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0) .cse1) (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-10-25 23:08:18,771 INFO L270 CegarLoopResult]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2020-10-25 23:08:18,771 INFO L270 CegarLoopResult]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2020-10-25 23:08:18,771 INFO L274 CegarLoopResult]: For program point L215(lines 215 232) no Hoare annotation was computed. [2020-10-25 23:08:18,771 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2020-10-25 23:08:18,771 INFO L274 CegarLoopResult]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2020-10-25 23:08:18,771 INFO L270 CegarLoopResult]: At program point L942(lines 937 945) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-25 23:08:18,772 INFO L270 CegarLoopResult]: At program point L942-1(lines 937 945) the Hoare annotation is: false [2020-10-25 23:08:18,772 INFO L270 CegarLoopResult]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2020-10-25 23:08:18,772 INFO L270 CegarLoopResult]: At program point L415(lines 1 1000) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:18,772 INFO L270 CegarLoopResult]: At program point L448-2(lines 448 462) the Hoare annotation is: false [2020-10-25 23:08:18,772 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-25 23:08:18,772 INFO L274 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-10-25 23:08:18,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:08:18,773 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-25 23:08:18,773 INFO L274 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,773 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,773 INFO L274 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,774 INFO L274 CegarLoopResult]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L219(lines 219 227) no Hoare annotation was computed. [2020-10-25 23:08:18,775 INFO L274 CegarLoopResult]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L452-1(lines 131 137) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L519(lines 519 526) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L277 CegarLoopResult]: At program point L519-1(lines 519 526) the Hoare annotation is: true [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-10-25 23:08:18,776 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-10-25 23:08:18,777 INFO L274 CegarLoopResult]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2020-10-25 23:08:18,777 INFO L274 CegarLoopResult]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2020-10-25 23:08:18,777 INFO L274 CegarLoopResult]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2020-10-25 23:08:18,777 INFO L274 CegarLoopResult]: For program point L982(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,777 INFO L274 CegarLoopResult]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,777 INFO L274 CegarLoopResult]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,778 INFO L274 CegarLoopResult]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,778 INFO L274 CegarLoopResult]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,778 INFO L274 CegarLoopResult]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,778 INFO L274 CegarLoopResult]: For program point L982-6(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,778 INFO L274 CegarLoopResult]: For program point L982-7(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,778 INFO L274 CegarLoopResult]: For program point L982-8(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,778 INFO L274 CegarLoopResult]: For program point L982-9(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,779 INFO L274 CegarLoopResult]: For program point L982-10(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,779 INFO L274 CegarLoopResult]: For program point L982-11(lines 982 988) no Hoare annotation was computed. [2020-10-25 23:08:18,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:08:18,779 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-25 23:08:18,779 INFO L274 CegarLoopResult]: For program point L917(lines 917 921) no Hoare annotation was computed. [2020-10-25 23:08:18,779 INFO L270 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,780 INFO L270 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-25 23:08:18,780 INFO L270 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,780 INFO L270 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-25 23:08:18,780 INFO L270 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,780 INFO L270 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,781 INFO L270 CegarLoopResult]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,781 INFO L270 CegarLoopResult]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,781 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-25 23:08:18,781 INFO L270 CegarLoopResult]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,781 INFO L270 CegarLoopResult]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,781 INFO L270 CegarLoopResult]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,781 INFO L270 CegarLoopResult]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2020-10-25 23:08:18,782 INFO L270 CegarLoopResult]: At program point L423(lines 418 426) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:18,782 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-10-25 23:08:18,782 INFO L270 CegarLoopResult]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= 0 ~systemActive~0)) .cse0 .cse2) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-25 23:08:18,782 INFO L270 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-25 23:08:18,782 INFO L270 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2020-10-25 23:08:18,783 INFO L274 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-10-25 23:08:18,783 INFO L270 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2020-10-25 23:08:18,783 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-10-25 23:08:18,783 INFO L274 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-10-25 23:08:18,783 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2020-10-25 23:08:18,783 INFO L274 CegarLoopResult]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2020-10-25 23:08:18,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:08:18,784 INFO L274 CegarLoopResult]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2020-10-25 23:08:18,784 INFO L270 CegarLoopResult]: At program point L987(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,784 INFO L270 CegarLoopResult]: At program point L987-1(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-25 23:08:18,784 INFO L270 CegarLoopResult]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,784 INFO L270 CegarLoopResult]: At program point L987-3(lines 978 991) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-25 23:08:18,785 INFO L270 CegarLoopResult]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,785 INFO L270 CegarLoopResult]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,785 INFO L270 CegarLoopResult]: At program point L987-6(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,785 INFO L270 CegarLoopResult]: At program point L987-7(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,785 INFO L270 CegarLoopResult]: At program point L987-8(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,785 INFO L270 CegarLoopResult]: At program point L987-9(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,786 INFO L270 CegarLoopResult]: At program point L987-10(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,786 INFO L270 CegarLoopResult]: At program point L987-11(lines 978 991) the Hoare annotation is: false [2020-10-25 23:08:18,786 INFO L274 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,786 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,786 INFO L274 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,786 INFO L274 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,786 INFO L274 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,787 INFO L274 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,787 INFO L274 CegarLoopResult]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,787 INFO L274 CegarLoopResult]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,787 INFO L274 CegarLoopResult]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,787 INFO L274 CegarLoopResult]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,787 INFO L274 CegarLoopResult]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,787 INFO L274 CegarLoopResult]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2020-10-25 23:08:18,788 INFO L270 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) (and (not (= 0 ~systemActive~0)) .cse1 .cse2))) [2020-10-25 23:08:18,788 INFO L274 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-10-25 23:08:18,788 INFO L270 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-10-25 23:08:18,788 INFO L270 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-10-25 23:08:18,788 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:08:18,788 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:18,789 INFO L277 CegarLoopResult]: At program point L528(lines 509 531) the Hoare annotation is: true [2020-10-25 23:08:18,789 INFO L270 CegarLoopResult]: At program point L496(lines 492 498) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) [2020-10-25 23:08:18,789 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:08:18,789 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse0 .cse2) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse4 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-25 23:08:18,789 INFO L274 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,790 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,790 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,790 INFO L274 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,790 INFO L274 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,790 INFO L274 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-10-25 23:08:18,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:08:18 BoogieIcfgContainer [2020-10-25 23:08:18,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:08:18,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:08:18,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:08:18,825 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:08:18,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:07:46" (3/4) ... [2020-10-25 23:08:18,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:08:18,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:08:18,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:08:18,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:08:18,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:08:18,867 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:08:18,869 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:18,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:18,903 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:08:18,903 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel [2020-10-25 23:08:18,903 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((((waterLevel == 1 && \result == waterLevel) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-10-25 23:08:18,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2020-10-25 23:08:18,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) [2020-10-25 23:08:18,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-10-25 23:08:18,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-25 23:08:18,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-10-25 23:08:18,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-10-25 23:08:18,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) [2020-10-25 23:08:18,910 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:18,911 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:18,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-25 23:08:18,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:18,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-25 23:08:18,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 0 && tmp == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:19,053 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:08:19,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:08:19,055 INFO L168 Benchmark]: Toolchain (without parser) took 34633.40 ms. Allocated memory was 50.3 MB in the beginning and 360.7 MB in the end (delta: 310.4 MB). Free memory was 33.5 MB in the beginning and 151.5 MB in the end (delta: -118.0 MB). Peak memory consumption was 193.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:19,055 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory was 22.5 MB in the beginning and 22.4 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:08:19,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.31 ms. Allocated memory is still 50.3 MB. Free memory was 32.8 MB in the beginning and 24.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:19,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.61 ms. Allocated memory is still 50.3 MB. Free memory was 24.4 MB in the beginning and 32.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:19,056 INFO L168 Benchmark]: Boogie Preprocessor took 130.09 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 28.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:19,057 INFO L168 Benchmark]: RCFGBuilder took 1316.21 ms. Allocated memory was 50.3 MB in the beginning and 75.5 MB in the end (delta: 25.2 MB). Free memory was 28.8 MB in the beginning and 52.7 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:19,057 INFO L168 Benchmark]: TraceAbstraction took 32088.88 ms. Allocated memory was 75.5 MB in the beginning and 360.7 MB in the end (delta: 285.2 MB). Free memory was 52.3 MB in the beginning and 168.3 MB in the end (delta: -116.0 MB). Peak memory consumption was 224.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:19,058 INFO L168 Benchmark]: Witness Printer took 229.38 ms. Allocated memory is still 360.7 MB. Free memory was 168.3 MB in the beginning and 151.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:19,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory was 22.5 MB in the beginning and 22.4 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 744.31 ms. Allocated memory is still 50.3 MB. Free memory was 32.8 MB in the beginning and 24.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.61 ms. Allocated memory is still 50.3 MB. Free memory was 24.4 MB in the beginning and 32.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 130.09 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 28.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1316.21 ms. Allocated memory was 50.3 MB in the beginning and 75.5 MB in the end (delta: 25.2 MB). Free memory was 28.8 MB in the beginning and 52.7 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32088.88 ms. Allocated memory was 75.5 MB in the beginning and 360.7 MB in the end (delta: 285.2 MB). Free memory was 52.3 MB in the beginning and 168.3 MB in the end (delta: -116.0 MB). Peak memory consumption was 224.2 MB. Max. memory is 16.1 GB. * Witness Printer took 229.38 ms. Allocated memory is still 360.7 MB. Free memory was 168.3 MB in the beginning and 151.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 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: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((((tmp == 0 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 0 && tmp == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((((waterLevel == 1 && \result == waterLevel) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((tmp == 0 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 194 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1858 SDtfs, 3609 SDslu, 3782 SDs, 0 SdLazy, 524 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=836occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 4184 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 374 NumberOfFragments, 743 HoareAnnotationTreeSize, 68 FomulaSimplifications, 4029405 FormulaSimplificationTreeSizeReduction, 6.2s HoareSimplificationTime, 68 FomulaSimplificationsInter, 1390694 FormulaSimplificationTreeSizeReductionInter, 18.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 58346 SizeOfPredicates, 4 NumberOfNonLiveVariables, 822 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/218 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...