./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product51.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_spec5_product51.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 c5548a4f9ab372783c382dbed65951e6f378a572 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:08:44,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:08:44,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:08:44,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:08:44,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:08:44,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:08:44,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:08:44,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:08:44,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:08:44,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:08:44,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:08:44,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:08:44,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:08:44,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:08:44,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:08:44,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:08:44,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:08:44,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:08:44,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:08:44,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:08:44,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:08:44,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:08:44,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:08:44,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:08:44,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:08:44,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:08:44,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:08:44,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:08:44,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:08:44,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:08:44,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:08:44,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:08:44,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:08:44,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:08:44,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:08:44,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:08:44,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:08:44,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:08:44,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:08:44,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:08:44,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:08:44,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:08:44,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:08:44,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:08:44,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:08:44,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:08:44,144 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:08:44,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:08:44,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:08:44,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:08:44,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:08:44,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:08:44,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:08:44,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:08:44,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:08:44,147 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:08:44,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:08:44,148 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:08:44,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:08:44,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:08:44,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:08:44,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:08:44,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:08:44,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:08:44,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:08:44,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:08:44,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:08:44,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:08:44,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:08:44,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:08:44,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:08:44,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5548a4f9ab372783c382dbed65951e6f378a572 [2020-10-25 23:08:44,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:08:44,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:08:44,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:08:44,559 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:08:44,560 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:08:44,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2020-10-25 23:08:44,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b969d8b7/07289f6097f74ad6841805bf48211cd4/FLAG58508fd9c [2020-10-25 23:08:45,476 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:08:45,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2020-10-25 23:08:45,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b969d8b7/07289f6097f74ad6841805bf48211cd4/FLAG58508fd9c [2020-10-25 23:08:45,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b969d8b7/07289f6097f74ad6841805bf48211cd4 [2020-10-25 23:08:45,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:08:45,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:08:45,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:08:45,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:08:45,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:08:45,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:45,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244b8f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:45, skipping insertion in model container [2020-10-25 23:08:45,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:08:45" (1/1) ... [2020-10-25 23:08:45,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:08:45,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:08:46,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:08:46,238 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:08:46,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:08:46,391 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:08:46,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46 WrapperNode [2020-10-25 23:08:46,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:08:46,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:08:46,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:08:46,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:08:46,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:08:46,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:08:46,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:08:46,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:08:46,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (1/1) ... [2020-10-25 23:08:46,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:08:46,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:08:46,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:08:46,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:08:46,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (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 23:08:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:08:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:08:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:08:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:08:47,805 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:08:47,806 INFO L298 CfgBuilder]: Removed 180 assume(true) statements. [2020-10-25 23:08:47,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:47 BoogieIcfgContainer [2020-10-25 23:08:47,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:08:47,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:08:47,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:08:47,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:08:47,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:08:45" (1/3) ... [2020-10-25 23:08:47,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72778adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:08:47, skipping insertion in model container [2020-10-25 23:08:47,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:08:46" (2/3) ... [2020-10-25 23:08:47,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72778adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:08:47, skipping insertion in model container [2020-10-25 23:08:47,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:47" (3/3) ... [2020-10-25 23:08:47,818 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-10-25 23:08:47,831 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:08:47,837 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:08:47,851 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:08:47,880 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:08:47,880 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:08:47,880 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:08:47,881 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:08:47,881 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:08:47,881 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:08:47,881 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:08:47,881 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:08:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-10-25 23:08:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:08:47,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:47,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:47,916 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:47,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:47,924 INFO L82 PathProgramCache]: Analyzing trace with hash 765076384, now seen corresponding path program 1 times [2020-10-25 23:08:47,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:47,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277907408] [2020-10-25 23:08:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,220 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 23:08:48,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277907408] [2020-10-25 23:08:48,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:48,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871910063] [2020-10-25 23:08:48,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:08:48,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:08:48,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:08:48,245 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2020-10-25 23:08:48,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:48,285 INFO L93 Difference]: Finished difference Result 252 states and 379 transitions. [2020-10-25 23:08:48,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:08:48,286 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-25 23:08:48,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:48,300 INFO L225 Difference]: With dead ends: 252 [2020-10-25 23:08:48,300 INFO L226 Difference]: Without dead ends: 124 [2020-10-25 23:08:48,304 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 23:08:48,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-25 23:08:48,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-10-25 23:08:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-25 23:08:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2020-10-25 23:08:48,381 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2020-10-25 23:08:48,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:48,381 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2020-10-25 23:08:48,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:08:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2020-10-25 23:08:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 23:08:48,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:48,384 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] [2020-10-25 23:08:48,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:08:48,393 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:48,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:48,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2137107756, now seen corresponding path program 1 times [2020-10-25 23:08:48,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:48,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643330173] [2020-10-25 23:08:48,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,561 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 23:08:48,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643330173] [2020-10-25 23:08:48,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:08:48,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057109804] [2020-10-25 23:08:48,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:48,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:48,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:48,567 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2020-10-25 23:08:48,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:48,582 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2020-10-25 23:08:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:48,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-25 23:08:48,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:48,584 INFO L225 Difference]: With dead ends: 124 [2020-10-25 23:08:48,584 INFO L226 Difference]: Without dead ends: 53 [2020-10-25 23:08:48,586 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 23:08:48,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-25 23:08:48,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-25 23:08:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-25 23:08:48,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-10-25 23:08:48,594 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2020-10-25 23:08:48,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:48,595 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-10-25 23:08:48,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-10-25 23:08:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:08:48,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:48,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:48,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:08:48,597 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:48,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:48,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2020-10-25 23:08:48,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:48,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405402826] [2020-10-25 23:08:48,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,745 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 23:08:48,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405402826] [2020-10-25 23:08:48,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:48,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824214939] [2020-10-25 23:08:48,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:48,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:48,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:48,750 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-10-25 23:08:48,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:48,774 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-10-25 23:08:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:48,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-25 23:08:48,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:48,777 INFO L225 Difference]: With dead ends: 145 [2020-10-25 23:08:48,778 INFO L226 Difference]: Without dead ends: 99 [2020-10-25 23:08:48,778 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 23:08:48,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-25 23:08:48,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-10-25 23:08:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-25 23:08:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2020-10-25 23:08:48,795 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 26 [2020-10-25 23:08:48,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:48,796 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2020-10-25 23:08:48,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2020-10-25 23:08:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-25 23:08:48,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:48,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:48,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:08:48,799 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:48,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2020-10-25 23:08:48,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:48,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476720757] [2020-10-25 23:08:48,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:48,929 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 23:08:48,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476720757] [2020-10-25 23:08:48,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:48,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:48,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368311897] [2020-10-25 23:08:48,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:48,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:48,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:48,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:48,938 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand 3 states. [2020-10-25 23:08:49,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:49,047 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2020-10-25 23:08:49,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:49,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-25 23:08:49,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:49,051 INFO L225 Difference]: With dead ends: 230 [2020-10-25 23:08:49,051 INFO L226 Difference]: Without dead ends: 142 [2020-10-25 23:08:49,056 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 23:08:49,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-25 23:08:49,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2020-10-25 23:08:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-25 23:08:49,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 202 transitions. [2020-10-25 23:08:49,091 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 202 transitions. Word has length 28 [2020-10-25 23:08:49,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:49,092 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 202 transitions. [2020-10-25 23:08:49,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2020-10-25 23:08:49,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-25 23:08:49,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:49,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:49,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:08:49,097 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:49,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:49,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2020-10-25 23:08:49,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:49,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399241497] [2020-10-25 23:08:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:49,198 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 23:08:49,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399241497] [2020-10-25 23:08:49,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:49,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:08:49,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507372063] [2020-10-25 23:08:49,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:49,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:49,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:49,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:49,202 INFO L87 Difference]: Start difference. First operand 140 states and 202 transitions. Second operand 5 states. [2020-10-25 23:08:49,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:49,543 INFO L93 Difference]: Finished difference Result 487 states and 703 transitions. [2020-10-25 23:08:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:08:49,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-25 23:08:49,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:49,547 INFO L225 Difference]: With dead ends: 487 [2020-10-25 23:08:49,548 INFO L226 Difference]: Without dead ends: 354 [2020-10-25 23:08:49,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:08:49,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-25 23:08:49,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 138. [2020-10-25 23:08:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-25 23:08:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2020-10-25 23:08:49,602 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 29 [2020-10-25 23:08:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:49,602 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2020-10-25 23:08:49,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2020-10-25 23:08:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:49,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:49,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:49,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:08:49,609 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:49,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:49,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2020-10-25 23:08:49,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:49,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929837079] [2020-10-25 23:08:49,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:49,726 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 23:08:49,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929837079] [2020-10-25 23:08:49,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:49,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:08:49,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858656143] [2020-10-25 23:08:49,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:49,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:49,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:49,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:49,732 INFO L87 Difference]: Start difference. First operand 138 states and 196 transitions. Second operand 5 states. [2020-10-25 23:08:49,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:49,846 INFO L93 Difference]: Finished difference Result 371 states and 521 transitions. [2020-10-25 23:08:49,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:08:49,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-25 23:08:49,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:49,849 INFO L225 Difference]: With dead ends: 371 [2020-10-25 23:08:49,849 INFO L226 Difference]: Without dead ends: 240 [2020-10-25 23:08:49,852 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 23:08:49,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-25 23:08:49,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 150. [2020-10-25 23:08:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-25 23:08:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 208 transitions. [2020-10-25 23:08:49,885 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 208 transitions. Word has length 34 [2020-10-25 23:08:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:49,886 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 208 transitions. [2020-10-25 23:08:49,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2020-10-25 23:08:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:49,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:49,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:49,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:08:49,892 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:49,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:49,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2020-10-25 23:08:49,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:49,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968388483] [2020-10-25 23:08:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:50,000 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 23:08:50,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968388483] [2020-10-25 23:08:50,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:50,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:08:50,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915924749] [2020-10-25 23:08:50,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:08:50,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:50,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:08:50,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:08:50,004 INFO L87 Difference]: Start difference. First operand 150 states and 208 transitions. Second operand 5 states. [2020-10-25 23:08:50,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:50,128 INFO L93 Difference]: Finished difference Result 414 states and 564 transitions. [2020-10-25 23:08:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:08:50,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-25 23:08:50,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:50,131 INFO L225 Difference]: With dead ends: 414 [2020-10-25 23:08:50,131 INFO L226 Difference]: Without dead ends: 271 [2020-10-25 23:08:50,133 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 23:08:50,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-10-25 23:08:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 158. [2020-10-25 23:08:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-25 23:08:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 216 transitions. [2020-10-25 23:08:50,153 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 216 transitions. Word has length 34 [2020-10-25 23:08:50,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:50,153 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 216 transitions. [2020-10-25 23:08:50,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:08:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2020-10-25 23:08:50,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:08:50,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:50,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:50,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:08:50,156 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:50,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:50,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2020-10-25 23:08:50,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:50,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142401277] [2020-10-25 23:08:50,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:50,206 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 23:08:50,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142401277] [2020-10-25 23:08:50,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:50,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:08:50,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837071823] [2020-10-25 23:08:50,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:50,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:50,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:50,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:50,209 INFO L87 Difference]: Start difference. First operand 158 states and 216 transitions. Second operand 3 states. [2020-10-25 23:08:50,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:50,250 INFO L93 Difference]: Finished difference Result 367 states and 500 transitions. [2020-10-25 23:08:50,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:50,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-25 23:08:50,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:50,253 INFO L225 Difference]: With dead ends: 367 [2020-10-25 23:08:50,253 INFO L226 Difference]: Without dead ends: 216 [2020-10-25 23:08:50,254 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 23:08:50,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-10-25 23:08:50,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2020-10-25 23:08:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-25 23:08:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2020-10-25 23:08:50,281 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 34 [2020-10-25 23:08:50,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:50,282 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2020-10-25 23:08:50,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2020-10-25 23:08:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-25 23:08:50,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:50,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:50,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:08:50,285 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:50,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:50,285 INFO L82 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2020-10-25 23:08:50,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:50,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759441076] [2020-10-25 23:08:50,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:50,465 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 23:08:50,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759441076] [2020-10-25 23:08:50,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:50,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:08:50,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747404442] [2020-10-25 23:08:50,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:08:50,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:50,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:08:50,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:08:50,468 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand 7 states. [2020-10-25 23:08:50,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:50,861 INFO L93 Difference]: Finished difference Result 1063 states and 1448 transitions. [2020-10-25 23:08:50,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 23:08:50,861 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-10-25 23:08:50,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:50,869 INFO L225 Difference]: With dead ends: 1063 [2020-10-25 23:08:50,869 INFO L226 Difference]: Without dead ends: 912 [2020-10-25 23:08:50,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-25 23:08:50,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-25 23:08:50,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 380. [2020-10-25 23:08:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-10-25 23:08:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 503 transitions. [2020-10-25 23:08:50,927 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 503 transitions. Word has length 35 [2020-10-25 23:08:50,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:50,927 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 503 transitions. [2020-10-25 23:08:50,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:08:50,928 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 503 transitions. [2020-10-25 23:08:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-25 23:08:50,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:50,930 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] [2020-10-25 23:08:50,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:08:50,930 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:50,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:50,932 INFO L82 PathProgramCache]: Analyzing trace with hash 798985786, now seen corresponding path program 1 times [2020-10-25 23:08:50,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:50,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159220813] [2020-10-25 23:08:50,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 23:08:50,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159220813] [2020-10-25 23:08:50,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:08:50,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:08:50,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417084669] [2020-10-25 23:08:50,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:08:50,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:50,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:08:50,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:08:50,993 INFO L87 Difference]: Start difference. First operand 380 states and 503 transitions. Second operand 3 states. [2020-10-25 23:08:51,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:51,077 INFO L93 Difference]: Finished difference Result 455 states and 601 transitions. [2020-10-25 23:08:51,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:08:51,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-10-25 23:08:51,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:51,083 INFO L225 Difference]: With dead ends: 455 [2020-10-25 23:08:51,083 INFO L226 Difference]: Without dead ends: 190 [2020-10-25 23:08:51,084 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 23:08:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-25 23:08:51,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-10-25 23:08:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-25 23:08:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 241 transitions. [2020-10-25 23:08:51,104 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 241 transitions. Word has length 54 [2020-10-25 23:08:51,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:51,104 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 241 transitions. [2020-10-25 23:08:51,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:08:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 241 transitions. [2020-10-25 23:08:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:08:51,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:08:51,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:08:51,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:08:51,105 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:08:51,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:08:51,106 INFO L82 PathProgramCache]: Analyzing trace with hash 257573148, now seen corresponding path program 1 times [2020-10-25 23:08:51,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:08:51,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410489393] [2020-10-25 23:08:51,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:08:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:51,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410489393] [2020-10-25 23:08:51,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754112412] [2020-10-25 23:08:51,207 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 23:08:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:08:51,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-25 23:08:51,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:08:51,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:08:51,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 23:08:51,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-25 23:08:51,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70812289] [2020-10-25 23:08:51,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 23:08:51,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:08:51,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 23:08:51,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:08:51,612 INFO L87 Difference]: Start difference. First operand 190 states and 241 transitions. Second operand 8 states. [2020-10-25 23:08:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:08:51,801 INFO L93 Difference]: Finished difference Result 434 states and 563 transitions. [2020-10-25 23:08:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:08:51,802 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-25 23:08:51,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:08:51,804 INFO L225 Difference]: With dead ends: 434 [2020-10-25 23:08:51,804 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:08:51,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-25 23:08:51,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:08:51,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:08:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:08:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:08:51,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-25 23:08:51,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:08:51,806 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:08:51,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 23:08:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:08:51,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:08:52,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-25 23:08:52,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:08:52,205 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2020-10-25 23:08:53,151 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2020-10-25 23:08:53,383 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2020-10-25 23:08:53,515 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2020-10-25 23:08:53,823 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2020-10-25 23:08:54,072 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2020-10-25 23:08:54,412 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2020-10-25 23:08:54,671 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2020-10-25 23:08:54,969 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2020-10-25 23:08:55,194 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2020-10-25 23:08:55,452 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2020-10-25 23:08:55,631 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 13 [2020-10-25 23:08:55,642 INFO L274 CegarLoopResult]: For program point L101-4(lines 101 109) no Hoare annotation was computed. [2020-10-25 23:08:55,642 INFO L274 CegarLoopResult]: For program point L101-5(lines 101 109) no Hoare annotation was computed. [2020-10-25 23:08:55,642 INFO L274 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-10-25 23:08:55,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,643 INFO L270 CegarLoopResult]: At program point L432(lines 383 433) the Hoare annotation is: false [2020-10-25 23:08:55,643 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,643 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,643 INFO L270 CegarLoopResult]: At program point L961(lines 956 963) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:55,643 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,644 INFO L277 CegarLoopResult]: At program point L369(lines 350 372) the Hoare annotation is: true [2020-10-25 23:08:55,645 INFO L270 CegarLoopResult]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse5 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-10-25 23:08:55,646 INFO L270 CegarLoopResult]: At program point L72-1(lines 72 78) the Hoare annotation is: false [2020-10-25 23:08:55,646 INFO L270 CegarLoopResult]: At program point L72-2(lines 72 78) the Hoare annotation is: false [2020-10-25 23:08:55,646 INFO L270 CegarLoopResult]: At program point L931(lines 922 935) the Hoare annotation is: false [2020-10-25 23:08:55,646 INFO L270 CegarLoopResult]: At program point L931-1(lines 922 935) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-25 23:08:55,646 INFO L270 CegarLoopResult]: At program point L931-2(lines 922 935) the Hoare annotation is: false [2020-10-25 23:08:55,646 INFO L270 CegarLoopResult]: At program point L931-3(lines 922 935) the Hoare annotation is: false [2020-10-25 23:08:55,646 INFO L270 CegarLoopResult]: At program point L931-4(lines 922 935) the Hoare annotation is: false [2020-10-25 23:08:55,647 INFO L270 CegarLoopResult]: At program point L931-5(lines 922 935) the Hoare annotation is: false [2020-10-25 23:08:55,647 INFO L274 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-10-25 23:08:55,647 INFO L270 CegarLoopResult]: At program point L404-1(lines 404 410) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (<= ~waterLevel~0 1) .cse0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse4 .cse2 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-10-25 23:08:55,647 INFO L270 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:55,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,647 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (or (<= ~waterLevel~0 1) .cse0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 0 ~systemActive~0) .cse6 .cse7 .cse3) (and .cse5 .cse1 .cse6 .cse7 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse5 .cse1 .cse2 .cse3 .cse4)))) [2020-10-25 23:08:55,648 INFO L270 CegarLoopResult]: At program point L176-1(lines 171 179) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse4 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2020-10-25 23:08:55,648 INFO L270 CegarLoopResult]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2020-10-25 23:08:55,648 INFO L270 CegarLoopResult]: At program point L176-3(lines 171 179) the Hoare annotation is: false [2020-10-25 23:08:55,649 INFO L270 CegarLoopResult]: At program point L176-4(lines 171 179) the Hoare annotation is: false [2020-10-25 23:08:55,649 INFO L270 CegarLoopResult]: At program point L176-5(lines 171 179) the Hoare annotation is: false [2020-10-25 23:08:55,649 INFO L274 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2020-10-25 23:08:55,649 INFO L274 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2020-10-25 23:08:55,649 INFO L274 CegarLoopResult]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2020-10-25 23:08:55,649 INFO L274 CegarLoopResult]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2020-10-25 23:08:55,649 INFO L274 CegarLoopResult]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2020-10-25 23:08:55,650 INFO L274 CegarLoopResult]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2020-10-25 23:08:55,650 INFO L270 CegarLoopResult]: At program point L971(lines 65 71) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse4 (= ~pumpRunning~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2020-10-25 23:08:55,650 INFO L270 CegarLoopResult]: At program point L971-1(lines 65 71) the Hoare annotation is: false [2020-10-25 23:08:55,650 INFO L270 CegarLoopResult]: At program point L971-2(lines 65 71) the Hoare annotation is: false [2020-10-25 23:08:55,653 INFO L274 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2020-10-25 23:08:55,654 INFO L270 CegarLoopResult]: At program point L941(lines 936 944) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1)) [2020-10-25 23:08:55,654 INFO L270 CegarLoopResult]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2020-10-25 23:08:55,654 INFO L270 CegarLoopResult]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2020-10-25 23:08:55,654 INFO L270 CegarLoopResult]: At program point L281-2(lines 281 295) the Hoare annotation is: false [2020-10-25 23:08:55,654 INFO L274 CegarLoopResult]: For program point L414(lines 414 427) no Hoare annotation was computed. [2020-10-25 23:08:55,655 INFO L274 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-10-25 23:08:55,655 INFO L270 CegarLoopResult]: At program point L250(lines 235 253) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1)) [2020-10-25 23:08:55,655 INFO L270 CegarLoopResult]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2020-10-25 23:08:55,655 INFO L270 CegarLoopResult]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2020-10-25 23:08:55,655 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:08:55,655 INFO L274 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-10-25 23:08:55,655 INFO L274 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-10-25 23:08:55,655 INFO L274 CegarLoopResult]: For program point L385(lines 384 431) no Hoare annotation was computed. [2020-10-25 23:08:55,656 INFO L274 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-10-25 23:08:55,656 INFO L274 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-10-25 23:08:55,656 INFO L274 CegarLoopResult]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2020-10-25 23:08:55,656 INFO L274 CegarLoopResult]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2020-10-25 23:08:55,656 INFO L274 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-10-25 23:08:55,656 INFO L270 CegarLoopResult]: At program point L420-1(lines 420 426) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (<= ~waterLevel~0 1) .cse0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse4 .cse2 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-10-25 23:08:55,656 INFO L274 CegarLoopResult]: For program point L123(lines 123 140) no Hoare annotation was computed. [2020-10-25 23:08:55,656 INFO L274 CegarLoopResult]: For program point L123-1(lines 123 140) no Hoare annotation was computed. [2020-10-25 23:08:55,656 INFO L274 CegarLoopResult]: For program point L123-2(lines 123 140) no Hoare annotation was computed. [2020-10-25 23:08:55,657 INFO L274 CegarLoopResult]: For program point L982(lines 982 999) no Hoare annotation was computed. [2020-10-25 23:08:55,657 INFO L270 CegarLoopResult]: At program point L982-1(lines 1 1002) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (<= ~waterLevel~0 1) .cse0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse4 .cse2 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-10-25 23:08:55,657 INFO L274 CegarLoopResult]: For program point L982-2(lines 982 999) no Hoare annotation was computed. [2020-10-25 23:08:55,657 INFO L270 CegarLoopResult]: At program point L982-3(lines 1 1002) the Hoare annotation is: false [2020-10-25 23:08:55,657 INFO L274 CegarLoopResult]: For program point L982-4(lines 982 999) no Hoare annotation was computed. [2020-10-25 23:08:55,657 INFO L270 CegarLoopResult]: At program point L982-5(lines 1 1002) the Hoare annotation is: false [2020-10-25 23:08:55,657 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:08:55,657 INFO L274 CegarLoopResult]: For program point L950(line 950) no Hoare annotation was computed. [2020-10-25 23:08:55,658 INFO L274 CegarLoopResult]: For program point L950-1(line 950) no Hoare annotation was computed. [2020-10-25 23:08:55,658 INFO L274 CegarLoopResult]: For program point L950-2(line 950) no Hoare annotation was computed. [2020-10-25 23:08:55,658 INFO L270 CegarLoopResult]: At program point L918(lines 913 921) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse5 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-10-25 23:08:55,658 INFO L270 CegarLoopResult]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2020-10-25 23:08:55,658 INFO L270 CegarLoopResult]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2020-10-25 23:08:55,658 INFO L274 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-10-25 23:08:55,658 INFO L270 CegarLoopResult]: At program point L258-1(lines 258 264) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:08:55,658 INFO L274 CegarLoopResult]: For program point L225(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,658 INFO L274 CegarLoopResult]: For program point L225-2(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-3(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-5(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-6(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-8(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-9(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-11(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-12(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-14(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-15(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,659 INFO L274 CegarLoopResult]: For program point L225-17(lines 225 229) no Hoare annotation was computed. [2020-10-25 23:08:55,660 INFO L274 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-10-25 23:08:55,660 INFO L274 CegarLoopResult]: For program point L127-1(lines 127 135) no Hoare annotation was computed. [2020-10-25 23:08:55,660 INFO L274 CegarLoopResult]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2020-10-25 23:08:55,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:08:55,660 INFO L274 CegarLoopResult]: For program point L986(lines 986 996) no Hoare annotation was computed. [2020-10-25 23:08:55,661 INFO L274 CegarLoopResult]: For program point L986-2(lines 986 996) no Hoare annotation was computed. [2020-10-25 23:08:55,661 INFO L274 CegarLoopResult]: For program point L986-4(lines 986 996) no Hoare annotation was computed. [2020-10-25 23:08:55,661 INFO L274 CegarLoopResult]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-10-25 23:08:55,661 INFO L274 CegarLoopResult]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2020-10-25 23:08:55,661 INFO L274 CegarLoopResult]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2020-10-25 23:08:55,661 INFO L274 CegarLoopResult]: For program point L360(lines 360 367) no Hoare annotation was computed. [2020-10-25 23:08:55,661 INFO L277 CegarLoopResult]: At program point L360-1(lines 360 367) the Hoare annotation is: true [2020-10-25 23:08:55,661 INFO L274 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-10-25 23:08:55,662 INFO L270 CegarLoopResult]: At program point L394-1(lines 394 400) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (<= ~waterLevel~0 1) .cse0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse4 .cse2 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-10-25 23:08:55,662 INFO L274 CegarLoopResult]: For program point L97(lines 97 114) no Hoare annotation was computed. [2020-10-25 23:08:55,662 INFO L274 CegarLoopResult]: For program point L97-1(lines 97 114) no Hoare annotation was computed. [2020-10-25 23:08:55,662 INFO L274 CegarLoopResult]: For program point L97-2(lines 97 114) no Hoare annotation was computed. [2020-10-25 23:08:55,662 INFO L274 CegarLoopResult]: For program point L97-3(lines 97 114) no Hoare annotation was computed. [2020-10-25 23:08:55,662 INFO L274 CegarLoopResult]: For program point L97-4(lines 97 114) no Hoare annotation was computed. [2020-10-25 23:08:55,665 INFO L274 CegarLoopResult]: For program point L97-5(lines 97 114) no Hoare annotation was computed. [2020-10-25 23:08:55,665 INFO L270 CegarLoopResult]: At program point L65(lines 61 83) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 (= ~pumpRunning~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2020-10-25 23:08:55,665 INFO L270 CegarLoopResult]: At program point L65-1(lines 61 83) the Hoare annotation is: false [2020-10-25 23:08:55,666 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:08:55,666 INFO L270 CegarLoopResult]: At program point L65-2(lines 61 83) the Hoare annotation is: false [2020-10-25 23:08:55,666 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:08:55,666 INFO L270 CegarLoopResult]: At program point L231(lines 216 234) the Hoare annotation is: false [2020-10-25 23:08:55,667 INFO L270 CegarLoopResult]: At program point L231-1(lines 216 234) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (<= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)))) [2020-10-25 23:08:55,667 INFO L270 CegarLoopResult]: At program point L231-2(lines 216 234) the Hoare annotation is: false [2020-10-25 23:08:55,667 INFO L270 CegarLoopResult]: At program point L231-3(lines 216 234) the Hoare annotation is: false [2020-10-25 23:08:55,667 INFO L270 CegarLoopResult]: At program point L231-4(lines 216 234) the Hoare annotation is: false [2020-10-25 23:08:55,667 INFO L270 CegarLoopResult]: At program point L231-5(lines 216 234) the Hoare annotation is: false [2020-10-25 23:08:55,668 INFO L270 CegarLoopResult]: At program point L463(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:55,668 INFO L270 CegarLoopResult]: At program point L331(lines 327 333) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-25 23:08:55,668 INFO L274 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2020-10-25 23:08:55,668 INFO L274 CegarLoopResult]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2020-10-25 23:08:55,668 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 932) no Hoare annotation was computed. [2020-10-25 23:08:55,668 INFO L274 CegarLoopResult]: For program point L926-3(lines 926 932) no Hoare annotation was computed. [2020-10-25 23:08:55,669 INFO L274 CegarLoopResult]: For program point L926-4(lines 926 932) no Hoare annotation was computed. [2020-10-25 23:08:55,669 INFO L274 CegarLoopResult]: For program point L926-5(lines 926 932) no Hoare annotation was computed. [2020-10-25 23:08:55,669 INFO L274 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-10-25 23:08:55,669 INFO L274 CegarLoopResult]: For program point L101-1(lines 101 109) no Hoare annotation was computed. [2020-10-25 23:08:55,669 INFO L274 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-10-25 23:08:55,669 INFO L274 CegarLoopResult]: For program point L101-3(lines 101 109) no Hoare annotation was computed. [2020-10-25 23:08:55,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:08:55 BoogieIcfgContainer [2020-10-25 23:08:55,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:08:55,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:08:55,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:08:55,732 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:08:55,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:08:47" (3/4) ... [2020-10-25 23:08:55,736 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:08:55,771 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:08:55,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:08:55,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:08:55,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:08:55,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:08:55,777 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:55,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:08:55,815 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && tmp == 2) && \result == 2) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,816 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,816 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,817 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,818 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,820 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,821 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,822 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:08:55,826 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:08:55,828 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:08:55,829 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:08:55,830 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) [2020-10-25 23:08:55,958 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:08:55,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:08:55,959 INFO L168 Benchmark]: Toolchain (without parser) took 10237.60 ms. Allocated memory was 56.6 MB in the beginning and 134.2 MB in the end (delta: 77.6 MB). Free memory was 39.8 MB in the beginning and 64.0 MB in the end (delta: -24.2 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,960 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 41.9 MB. Free memory was 26.4 MB in the beginning and 26.4 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:08:55,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.63 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 32.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.24 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 28.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,961 INFO L168 Benchmark]: Boogie Preprocessor took 56.97 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 25.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,961 INFO L168 Benchmark]: RCFGBuilder took 1241.65 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 25.9 MB in the beginning and 52.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,962 INFO L168 Benchmark]: TraceAbstraction took 7921.77 ms. Allocated memory was 75.5 MB in the beginning and 134.2 MB in the end (delta: 58.7 MB). Free memory was 52.3 MB in the beginning and 75.5 MB in the end (delta: -23.3 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,962 INFO L168 Benchmark]: Witness Printer took 225.98 ms. Allocated memory is still 134.2 MB. Free memory was 75.5 MB in the beginning and 64.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:08:55,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 41.9 MB. Free memory was 26.4 MB in the beginning and 26.4 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.63 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 32.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.24 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 28.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.97 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 25.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1241.65 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 25.9 MB in the beginning and 52.8 MB in the end (delta: -26.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7921.77 ms. Allocated memory was 75.5 MB in the beginning and 134.2 MB in the end (delta: 58.7 MB). Free memory was 52.3 MB in the beginning and 75.5 MB in the end (delta: -23.3 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. * Witness Printer took 225.98 ms. Allocated memory is still 134.2 MB. Free memory was 75.5 MB in the beginning and 64.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 420]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && tmp == 2) && \result == 2) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1192 SDtfs, 1572 SDslu, 1679 SDs, 0 SdLazy, 269 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 957 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 191 NumberOfFragments, 901 HoareAnnotationTreeSize, 51 FomulaSimplifications, 87301 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 11810 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 33607 SizeOfPredicates, 4 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 41/47 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...