./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product41.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_spec3_product41.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 1fc4b6513d54dfae6e097800b1200a0f44455272 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:06:30,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:06:30,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:06:30,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:06:30,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:06:30,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:06:30,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:06:30,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:06:30,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:06:30,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:06:30,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:06:30,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:06:30,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:06:30,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:06:30,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:06:30,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:06:30,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:06:30,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:06:30,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:06:30,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:06:30,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:06:30,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:06:30,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:06:30,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:06:30,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:06:30,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:06:30,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:06:30,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:06:30,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:06:30,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:06:30,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:06:30,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:06:30,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:06:30,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:06:30,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:06:30,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:06:30,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:06:30,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:06:30,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:06:30,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:06:30,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:06:30,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:06:30,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:06:30,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:06:30,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:06:30,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:06:30,929 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:06:30,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:06:30,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:06:30,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:06:30,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:06:30,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:06:30,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:06:30,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:06:30,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:06:30,932 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:06:30,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:06:30,933 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:06:30,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:06:30,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:06:30,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:06:30,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:06:30,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:06:30,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:06:30,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:06:30,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:06:30,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:06:30,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:06:30,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:06:30,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:06:30,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:06:30,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fc4b6513d54dfae6e097800b1200a0f44455272 [2020-10-25 23:06:31,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:06:31,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:06:31,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:06:31,387 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:06:31,388 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:06:31,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2020-10-25 23:06:31,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fabff0bd/01d469208b92485da181f0be4565d6c0/FLAG0d46c42c2 [2020-10-25 23:06:32,209 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:06:32,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2020-10-25 23:06:32,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fabff0bd/01d469208b92485da181f0be4565d6c0/FLAG0d46c42c2 [2020-10-25 23:06:32,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fabff0bd/01d469208b92485da181f0be4565d6c0 [2020-10-25 23:06:32,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:06:32,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:06:32,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:06:32,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:06:32,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:06:32,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:06:32" (1/1) ... [2020-10-25 23:06:32,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7ade2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:32, skipping insertion in model container [2020-10-25 23:06:32,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:06:32" (1/1) ... [2020-10-25 23:06:32,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:06:32,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:06:32,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:06:32,974 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:06:33,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:06:33,156 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:06:33,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33 WrapperNode [2020-10-25 23:06:33,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:06:33,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:06:33,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:06:33,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:06:33,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:06:33,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:06:33,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:06:33,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:06:33,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (1/1) ... [2020-10-25 23:06:33,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:06:33,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:06:33,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:06:33,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:06:33,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (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 23:06:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:06:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:06:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:06:33,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:06:34,399 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:06:34,399 INFO L298 CfgBuilder]: Removed 126 assume(true) statements. [2020-10-25 23:06:34,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:34 BoogieIcfgContainer [2020-10-25 23:06:34,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:06:34,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:06:34,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:06:34,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:06:34,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:06:32" (1/3) ... [2020-10-25 23:06:34,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475af196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:06:34, skipping insertion in model container [2020-10-25 23:06:34,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:33" (2/3) ... [2020-10-25 23:06:34,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475af196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:06:34, skipping insertion in model container [2020-10-25 23:06:34,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:34" (3/3) ... [2020-10-25 23:06:34,412 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-10-25 23:06:34,426 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:06:34,432 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:06:34,446 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:06:34,478 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:06:34,478 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:06:34,479 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:06:34,479 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:06:34,479 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:06:34,479 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:06:34,480 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:06:34,480 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:06:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-10-25 23:06:34,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:06:34,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:34,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:34,513 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:34,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:34,520 INFO L82 PathProgramCache]: Analyzing trace with hash 122630675, now seen corresponding path program 1 times [2020-10-25 23:06:34,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:34,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442252356] [2020-10-25 23:06:34,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:34,812 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 23:06:34,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442252356] [2020-10-25 23:06:34,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:34,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:06:34,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236706116] [2020-10-25 23:06:34,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:06:34,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:34,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:06:34,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:06:34,841 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2020-10-25 23:06:34,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:34,878 INFO L93 Difference]: Finished difference Result 183 states and 272 transitions. [2020-10-25 23:06:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:06:34,879 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:06:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:34,891 INFO L225 Difference]: With dead ends: 183 [2020-10-25 23:06:34,892 INFO L226 Difference]: Without dead ends: 89 [2020-10-25 23:06:34,896 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 23:06:34,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-25 23:06:34,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-10-25 23:06:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-25 23:06:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2020-10-25 23:06:34,948 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2020-10-25 23:06:34,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:34,949 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2020-10-25 23:06:34,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:06:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2020-10-25 23:06:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:06:34,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:34,951 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 23:06:34,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:06:34,951 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:34,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:34,952 INFO L82 PathProgramCache]: Analyzing trace with hash -788400078, now seen corresponding path program 1 times [2020-10-25 23:06:34,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:34,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945567118] [2020-10-25 23:06:34,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:35,074 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 23:06:35,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945567118] [2020-10-25 23:06:35,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:35,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:06:35,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720254859] [2020-10-25 23:06:35,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:35,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:35,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:35,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:35,079 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2020-10-25 23:06:35,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:35,093 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2020-10-25 23:06:35,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:35,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:06:35,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:35,096 INFO L225 Difference]: With dead ends: 89 [2020-10-25 23:06:35,096 INFO L226 Difference]: Without dead ends: 39 [2020-10-25 23:06:35,097 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 23:06:35,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-25 23:06:35,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-25 23:06:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-25 23:06:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2020-10-25 23:06:35,107 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2020-10-25 23:06:35,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:35,108 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2020-10-25 23:06:35,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-10-25 23:06:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:06:35,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:35,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:35,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:06:35,110 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:35,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2020-10-25 23:06:35,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:35,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448560360] [2020-10-25 23:06:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:35,203 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 23:06:35,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448560360] [2020-10-25 23:06:35,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:35,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:06:35,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557475949] [2020-10-25 23:06:35,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:35,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:35,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:35,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:35,207 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2020-10-25 23:06:35,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:35,217 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2020-10-25 23:06:35,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:35,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-25 23:06:35,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:35,219 INFO L225 Difference]: With dead ends: 72 [2020-10-25 23:06:35,219 INFO L226 Difference]: Without dead ends: 39 [2020-10-25 23:06:35,220 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 23:06:35,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-25 23:06:35,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-25 23:06:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-25 23:06:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-10-25 23:06:35,227 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2020-10-25 23:06:35,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:35,228 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-10-25 23:06:35,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-10-25 23:06:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:06:35,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:35,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:35,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:06:35,231 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:35,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:35,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2020-10-25 23:06:35,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:35,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129166559] [2020-10-25 23:06:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:35,351 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 23:06:35,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129166559] [2020-10-25 23:06:35,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:35,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:06:35,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857924402] [2020-10-25 23:06:35,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:35,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:35,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:35,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:35,360 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2020-10-25 23:06:35,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:35,418 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2020-10-25 23:06:35,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:35,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-25 23:06:35,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:35,420 INFO L225 Difference]: With dead ends: 95 [2020-10-25 23:06:35,420 INFO L226 Difference]: Without dead ends: 62 [2020-10-25 23:06:35,421 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 23:06:35,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-25 23:06:35,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-10-25 23:06:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-25 23:06:35,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2020-10-25 23:06:35,431 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2020-10-25 23:06:35,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:35,432 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2020-10-25 23:06:35,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:35,432 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2020-10-25 23:06:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-25 23:06:35,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:35,433 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] [2020-10-25 23:06:35,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:06:35,434 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:35,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:35,434 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2020-10-25 23:06:35,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:35,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002503650] [2020-10-25 23:06:35,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:35,526 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 23:06:35,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002503650] [2020-10-25 23:06:35,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:35,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:35,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735918658] [2020-10-25 23:06:35,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:35,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:35,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:35,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:35,529 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2020-10-25 23:06:35,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:35,681 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2020-10-25 23:06:35,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:06:35,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-25 23:06:35,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:35,685 INFO L225 Difference]: With dead ends: 314 [2020-10-25 23:06:35,685 INFO L226 Difference]: Without dead ends: 260 [2020-10-25 23:06:35,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:06:35,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-25 23:06:35,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-10-25 23:06:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-25 23:06:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2020-10-25 23:06:35,708 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2020-10-25 23:06:35,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:35,708 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2020-10-25 23:06:35,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2020-10-25 23:06:35,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:06:35,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:35,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:35,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:06:35,711 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:35,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:35,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2020-10-25 23:06:35,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:35,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356421944] [2020-10-25 23:06:35,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:35,782 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 23:06:35,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356421944] [2020-10-25 23:06:35,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:35,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:06:35,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699185969] [2020-10-25 23:06:35,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:06:35,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:35,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:06:35,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:35,785 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2020-10-25 23:06:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:35,936 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2020-10-25 23:06:35,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:06:35,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-25 23:06:35,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:35,938 INFO L225 Difference]: With dead ends: 212 [2020-10-25 23:06:35,938 INFO L226 Difference]: Without dead ends: 158 [2020-10-25 23:06:35,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:35,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-25 23:06:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-10-25 23:06:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-25 23:06:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2020-10-25 23:06:35,959 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2020-10-25 23:06:35,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:35,959 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2020-10-25 23:06:35,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:06:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2020-10-25 23:06:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:06:35,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:35,961 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] [2020-10-25 23:06:35,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:06:35,962 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:35,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:35,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2020-10-25 23:06:35,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:35,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890555073] [2020-10-25 23:06:35,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,031 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 23:06:36,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890555073] [2020-10-25 23:06:36,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:36,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734051257] [2020-10-25 23:06:36,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:06:36,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:06:36,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:36,034 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2020-10-25 23:06:36,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:36,081 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2020-10-25 23:06:36,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:06:36,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-25 23:06:36,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:36,084 INFO L225 Difference]: With dead ends: 412 [2020-10-25 23:06:36,084 INFO L226 Difference]: Without dead ends: 308 [2020-10-25 23:06:36,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-10-25 23:06:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2020-10-25 23:06:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-25 23:06:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2020-10-25 23:06:36,106 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2020-10-25 23:06:36,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:36,106 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2020-10-25 23:06:36,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:06:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2020-10-25 23:06:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:06:36,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:36,108 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] [2020-10-25 23:06:36,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:06:36,108 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:36,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:36,109 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2020-10-25 23:06:36,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:36,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898614277] [2020-10-25 23:06:36,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,203 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 23:06:36,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898614277] [2020-10-25 23:06:36,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:06:36,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898598718] [2020-10-25 23:06:36,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:06:36,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:06:36,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:06:36,205 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2020-10-25 23:06:36,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:36,337 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2020-10-25 23:06:36,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:06:36,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-25 23:06:36,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:36,341 INFO L225 Difference]: With dead ends: 524 [2020-10-25 23:06:36,341 INFO L226 Difference]: Without dead ends: 375 [2020-10-25 23:06:36,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-25 23:06:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-10-25 23:06:36,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2020-10-25 23:06:36,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-25 23:06:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2020-10-25 23:06:36,370 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2020-10-25 23:06:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:36,370 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2020-10-25 23:06:36,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:06:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2020-10-25 23:06:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-25 23:06:36,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:36,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:36,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:06:36,373 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:36,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:36,373 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2020-10-25 23:06:36,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:36,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311791567] [2020-10-25 23:06:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,457 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 23:06:36,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311791567] [2020-10-25 23:06:36,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:06:36,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120428158] [2020-10-25 23:06:36,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:06:36,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:06:36,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:06:36,461 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2020-10-25 23:06:36,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:36,750 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2020-10-25 23:06:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-25 23:06:36,751 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-25 23:06:36,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:36,757 INFO L225 Difference]: With dead ends: 1154 [2020-10-25 23:06:36,757 INFO L226 Difference]: Without dead ends: 999 [2020-10-25 23:06:36,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-25 23:06:36,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-10-25 23:06:36,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2020-10-25 23:06:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-25 23:06:36,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2020-10-25 23:06:36,807 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2020-10-25 23:06:36,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:36,808 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2020-10-25 23:06:36,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:06:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2020-10-25 23:06:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-25 23:06:36,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:36,810 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 23:06:36,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:06:36,811 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:36,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:36,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2020-10-25 23:06:36,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:36,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660980873] [2020-10-25 23:06:36,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:36,887 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 23:06:36,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660980873] [2020-10-25 23:06:36,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:36,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:06:36,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188959832] [2020-10-25 23:06:36,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:06:36,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:36,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:06:36,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:06:36,890 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2020-10-25 23:06:37,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:37,134 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2020-10-25 23:06:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:06:37,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-25 23:06:37,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:37,139 INFO L225 Difference]: With dead ends: 687 [2020-10-25 23:06:37,139 INFO L226 Difference]: Without dead ends: 121 [2020-10-25 23:06:37,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-25 23:06:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-25 23:06:37,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-10-25 23:06:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-25 23:06:37,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2020-10-25 23:06:37,157 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2020-10-25 23:06:37,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:37,157 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2020-10-25 23:06:37,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:06:37,158 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2020-10-25 23:06:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-25 23:06:37,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:37,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:37,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:06:37,161 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:37,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:37,161 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2020-10-25 23:06:37,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:37,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416632701] [2020-10-25 23:06:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:37,245 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 23:06:37,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416632701] [2020-10-25 23:06:37,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:37,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:06:37,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616470041] [2020-10-25 23:06:37,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:37,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:37,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:37,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:37,251 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 5 states. [2020-10-25 23:06:37,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:37,422 INFO L93 Difference]: Finished difference Result 228 states and 273 transitions. [2020-10-25 23:06:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:06:37,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-25 23:06:37,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:37,423 INFO L225 Difference]: With dead ends: 228 [2020-10-25 23:06:37,423 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:06:37,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:06:37,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:06:37,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:06:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:06:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:06:37,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-10-25 23:06:37,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:37,427 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:06:37,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:06:37,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:06:37,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:06:37,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:06:37,655 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 87 [2020-10-25 23:06:37,935 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2020-10-25 23:06:38,291 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2020-10-25 23:06:38,537 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 110 [2020-10-25 23:06:38,870 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2020-10-25 23:06:39,109 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-25 23:06:39,310 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-25 23:06:39,468 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-10-25 23:06:39,715 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2020-10-25 23:06:39,901 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-10-25 23:06:40,238 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-25 23:06:40,441 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2020-10-25 23:06:40,984 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2020-10-25 23:06:41,311 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2020-10-25 23:06:41,315 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-10-25 23:06:41,315 INFO L274 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-10-25 23:06:41,315 INFO L274 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-10-25 23:06:41,315 INFO L274 CegarLoopResult]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2020-10-25 23:06:41,315 INFO L270 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse7 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse5) .cse4 .cse6))) [2020-10-25 23:06:41,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:41,316 INFO L274 CegarLoopResult]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2020-10-25 23:06:41,316 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:06:41,316 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:06:41,316 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:06:41,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:06:41,316 INFO L277 CegarLoopResult]: At program point L549(lines 530 552) the Hoare annotation is: true [2020-10-25 23:06:41,316 INFO L270 CegarLoopResult]: At program point L104(lines 104 110) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse2) .cse1 .cse3))) [2020-10-25 23:06:41,316 INFO L270 CegarLoopResult]: At program point L104-1(lines 104 110) the Hoare annotation is: false [2020-10-25 23:06:41,317 INFO L270 CegarLoopResult]: At program point L104-2(lines 104 110) the Hoare annotation is: false [2020-10-25 23:06:41,317 INFO L270 CegarLoopResult]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:06:41,317 INFO L270 CegarLoopResult]: At program point L319(lines 272 320) the Hoare annotation is: false [2020-10-25 23:06:41,317 INFO L274 CegarLoopResult]: For program point L303(lines 303 314) no Hoare annotation was computed. [2020-10-25 23:06:41,317 INFO L270 CegarLoopResult]: At program point L452(lines 443 456) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-10-25 23:06:41,317 INFO L270 CegarLoopResult]: At program point L452-1(lines 443 456) the Hoare annotation is: false [2020-10-25 23:06:41,317 INFO L270 CegarLoopResult]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2020-10-25 23:06:41,318 INFO L270 CegarLoopResult]: At program point L469-2(lines 469 483) the Hoare annotation is: false [2020-10-25 23:06:41,318 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-10-25 23:06:41,318 INFO L274 CegarLoopResult]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-10-25 23:06:41,318 INFO L274 CegarLoopResult]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-10-25 23:06:41,318 INFO L270 CegarLoopResult]: At program point L255(lines 240 258) the Hoare annotation is: (let ((.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse10 (<= 2 ~waterLevel~0)) (.cse0 (= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2 .cse9 .cse10 .cse3 .cse4) (and .cse0 .cse2 .cse8 .cse3 .cse4))) [2020-10-25 23:06:41,318 INFO L270 CegarLoopResult]: At program point L255-1(lines 240 258) the Hoare annotation is: false [2020-10-25 23:06:41,318 INFO L270 CegarLoopResult]: At program point L255-2(lines 240 258) the Hoare annotation is: false [2020-10-25 23:06:41,318 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-25 23:06:41,319 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:06:41,319 INFO L274 CegarLoopResult]: For program point L339(lines 339 359) no Hoare annotation was computed. [2020-10-25 23:06:41,319 INFO L274 CegarLoopResult]: For program point L339-2(lines 339 359) no Hoare annotation was computed. [2020-10-25 23:06:41,319 INFO L274 CegarLoopResult]: For program point L339-4(lines 339 359) no Hoare annotation was computed. [2020-10-25 23:06:41,319 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:06:41,319 INFO L270 CegarLoopResult]: At program point L191(lines 184 194) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse8 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse14 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse11 .cse2 .cse12 .cse3 .cse13 .cse14 .cse6 .cse7) (and .cse1 .cse9 .cse10 .cse2 .cse3 .cse6 .cse7) (and .cse0 .cse8 .cse11 .cse2 .cse12 .cse3 .cse4 .cse13 .cse14 .cse5 .cse6 .cse7))) [2020-10-25 23:06:41,319 INFO L270 CegarLoopResult]: At program point L191-1(lines 184 194) the Hoare annotation is: false [2020-10-25 23:06:41,320 INFO L270 CegarLoopResult]: At program point L191-2(lines 184 194) the Hoare annotation is: false [2020-10-25 23:06:41,320 INFO L270 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)) (and (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse0 .cse2))) [2020-10-25 23:06:41,320 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:41,320 INFO L270 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-10-25 23:06:41,320 INFO L270 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-10-25 23:06:41,320 INFO L274 CegarLoopResult]: For program point L274(lines 273 318) no Hoare annotation was computed. [2020-10-25 23:06:41,320 INFO L274 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-10-25 23:06:41,321 INFO L274 CegarLoopResult]: For program point L473-1(lines 97 103) no Hoare annotation was computed. [2020-10-25 23:06:41,321 INFO L270 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse13 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse1 .cse11 .cse2 .cse12 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse9 .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse10 .cse1 .cse11 .cse2 .cse3 .cse12 .cse13 .cse4 .cse5 .cse6))) [2020-10-25 23:06:41,321 INFO L270 CegarLoopResult]: At program point L407-1(lines 402 410) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse4 .cse5) (and .cse0 .cse3 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse4) .cse3 .cse5))) [2020-10-25 23:06:41,321 INFO L270 CegarLoopResult]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2020-10-25 23:06:41,321 INFO L270 CegarLoopResult]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2020-10-25 23:06:41,321 INFO L274 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-10-25 23:06:41,322 INFO L270 CegarLoopResult]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2020-10-25 23:06:41,322 INFO L270 CegarLoopResult]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2020-10-25 23:06:41,322 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:06:41,322 INFO L274 CegarLoopResult]: For program point L540(lines 540 547) no Hoare annotation was computed. [2020-10-25 23:06:41,322 INFO L277 CegarLoopResult]: At program point L540-1(lines 540 547) the Hoare annotation is: true [2020-10-25 23:06:41,322 INFO L274 CegarLoopResult]: For program point L309(lines 309 313) no Hoare annotation was computed. [2020-10-25 23:06:41,322 INFO L274 CegarLoopResult]: For program point L309-2(lines 97 103) no Hoare annotation was computed. [2020-10-25 23:06:41,322 INFO L274 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-10-25 23:06:41,323 INFO L270 CegarLoopResult]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse3) .cse1 .cse4))) [2020-10-25 23:06:41,323 INFO L274 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-10-25 23:06:41,323 INFO L274 CegarLoopResult]: For program point L129-1(lines 129 146) no Hoare annotation was computed. [2020-10-25 23:06:41,323 INFO L274 CegarLoopResult]: For program point L129-2(lines 129 146) no Hoare annotation was computed. [2020-10-25 23:06:41,323 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-10-25 23:06:41,323 INFO L270 CegarLoopResult]: At program point L97(lines 96 115) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse3) .cse1 .cse4))) [2020-10-25 23:06:41,323 INFO L274 CegarLoopResult]: For program point L97-1(lines 97 103) no Hoare annotation was computed. [2020-10-25 23:06:41,323 INFO L270 CegarLoopResult]: At program point L97-2(lines 96 115) the Hoare annotation is: false [2020-10-25 23:06:41,324 INFO L270 CegarLoopResult]: At program point L97-3(lines 96 115) the Hoare annotation is: false [2020-10-25 23:06:41,324 INFO L274 CegarLoopResult]: For program point L345(lines 345 358) no Hoare annotation was computed. [2020-10-25 23:06:41,324 INFO L270 CegarLoopResult]: At program point L345-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse5) .cse4 .cse6))) [2020-10-25 23:06:41,324 INFO L274 CegarLoopResult]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2020-10-25 23:06:41,324 INFO L270 CegarLoopResult]: At program point L345-3(lines 1 927) the Hoare annotation is: false [2020-10-25 23:06:41,324 INFO L274 CegarLoopResult]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2020-10-25 23:06:41,324 INFO L270 CegarLoopResult]: At program point L345-5(lines 1 927) the Hoare annotation is: false [2020-10-25 23:06:41,324 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L274 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L274 CegarLoopResult]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L274 CegarLoopResult]: For program point L924-2(line 924) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L274 CegarLoopResult]: For program point L166(lines 166 172) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L274 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 141) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L274 CegarLoopResult]: For program point L166-2(lines 166 172) no Hoare annotation was computed. [2020-10-25 23:06:41,325 INFO L270 CegarLoopResult]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 141) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L166-4(lines 166 172) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L249(lines 249 253) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L249-2(lines 249 253) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L249-5(lines 249 253) no Hoare annotation was computed. [2020-10-25 23:06:41,326 INFO L274 CegarLoopResult]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2020-10-25 23:06:41,327 INFO L274 CegarLoopResult]: For program point L249-8(lines 249 253) no Hoare annotation was computed. [2020-10-25 23:06:41,327 INFO L270 CegarLoopResult]: At program point L200(lines 195 203) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (= ULTIMATE.start_activatePump_~tmp~1 0) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:06:41,327 INFO L270 CegarLoopResult]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2020-10-25 23:06:41,327 INFO L270 CegarLoopResult]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2020-10-25 23:06:41,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:06:41 BoogieIcfgContainer [2020-10-25 23:06:41,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:06:41,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:06:41,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:06:41,387 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:06:41,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:34" (3/4) ... [2020-10-25 23:06:41,393 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:06:41,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:06:41,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:06:41,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:06:41,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:06:41,427 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:06:41,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:06:41,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:06:41,461 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 1) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:06:41,462 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:06:41,464 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:06:41,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:06:41,467 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:41,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) [2020-10-25 23:06:41,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:41,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2020-10-25 23:06:41,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == 1 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:41,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-25 23:06:41,562 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:06:41,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:06:41,564 INFO L168 Benchmark]: Toolchain (without parser) took 9041.00 ms. Allocated memory was 48.2 MB in the beginning and 161.5 MB in the end (delta: 113.2 MB). Free memory was 32.3 MB in the beginning and 104.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:41,565 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 39.8 MB. Free memory was 25.0 MB in the beginning and 25.0 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:06:41,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.77 ms. Allocated memory is still 48.2 MB. Free memory was 31.8 MB in the beginning and 22.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:41,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.47 ms. Allocated memory is still 48.2 MB. Free memory was 22.3 MB in the beginning and 19.0 MB in the end (delta: 3.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:06:41,568 INFO L168 Benchmark]: Boogie Preprocessor took 46.99 ms. Allocated memory is still 48.2 MB. Free memory was 19.0 MB in the beginning and 28.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:41,569 INFO L168 Benchmark]: RCFGBuilder took 1105.42 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.7 MB in the beginning and 23.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:41,569 INFO L168 Benchmark]: TraceAbstraction took 6982.97 ms. Allocated memory was 58.7 MB in the beginning and 161.5 MB in the end (delta: 102.8 MB). Free memory was 23.2 MB in the beginning and 112.8 MB in the end (delta: -89.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:41,570 INFO L168 Benchmark]: Witness Printer took 175.65 ms. Allocated memory is still 161.5 MB. Free memory was 112.8 MB in the beginning and 104.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:41,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 39.8 MB. Free memory was 25.0 MB in the beginning and 25.0 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.77 ms. Allocated memory is still 48.2 MB. Free memory was 31.8 MB in the beginning and 22.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.47 ms. Allocated memory is still 48.2 MB. Free memory was 22.3 MB in the beginning and 19.0 MB in the end (delta: 3.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.99 ms. Allocated memory is still 48.2 MB. Free memory was 19.0 MB in the beginning and 28.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1105.42 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.7 MB in the beginning and 23.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6982.97 ms. Allocated memory was 58.7 MB in the beginning and 161.5 MB in the end (delta: 102.8 MB). Free memory was 23.2 MB in the beginning and 112.8 MB in the end (delta: -89.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 16.1 GB. * Witness Printer took 175.65 ms. Allocated memory is still 161.5 MB. Free memory was 112.8 MB in the beginning and 104.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 283]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 1) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 992 SDtfs, 1316 SDslu, 1679 SDs, 0 SdLazy, 236 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 186 NumberOfFragments, 1046 HoareAnnotationTreeSize, 39 FomulaSimplifications, 151870 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 39 FomulaSimplificationsInter, 10499 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 19459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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...