./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_spec2_product50.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 9f33e15e0937d430cb63c24d59de4b6438b3be32 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:05:36,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:36,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:36,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:36,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:36,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:36,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:36,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:36,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:36,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:36,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:36,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:36,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:36,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:36,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:36,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:36,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:36,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:36,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:36,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:36,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:36,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:36,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:36,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:36,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:36,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:36,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:36,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:36,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:36,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:36,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:36,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:36,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:36,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:36,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:36,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:36,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:36,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:36,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:36,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:36,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:36,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:36,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:36,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:36,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:36,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:36,794 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:36,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:36,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:36,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:36,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:36,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:36,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:36,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:36,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:36,796 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:36,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:36,796 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:36,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:36,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:36,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:36,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:36,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:36,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:36,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:36,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:36,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:36,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:36,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:36,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:36,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:36,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f33e15e0937d430cb63c24d59de4b6438b3be32 [2020-10-25 23:05:37,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:37,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:37,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:37,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:37,259 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:37,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-10-25 23:05:37,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660c3d529/b7d3f9daa1b4465fb95f61ab4d6ecfd7/FLAG383d56c3a [2020-10-25 23:05:37,932 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:37,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-10-25 23:05:37,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660c3d529/b7d3f9daa1b4465fb95f61ab4d6ecfd7/FLAG383d56c3a [2020-10-25 23:05:38,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660c3d529/b7d3f9daa1b4465fb95f61ab4d6ecfd7 [2020-10-25 23:05:38,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:38,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:38,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:38,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:38,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:38,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:38,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0b87ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38, skipping insertion in model container [2020-10-25 23:05:38,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:38,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:38,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:38,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:38,823 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:38,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:38,952 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:38,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38 WrapperNode [2020-10-25 23:05:38,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:38,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:38,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:38,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:38,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:38,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:39,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:39,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:39,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:39,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:39,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:39,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:39,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:39,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:39,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:39,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:39,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (1/1) ... [2020-10-25 23:05:39,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:39,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:39,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:39,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:39,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (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 23:05:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:40,223 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:40,224 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-10-25 23:05:40,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:40 BoogieIcfgContainer [2020-10-25 23:05:40,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:40,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:40,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:40,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:40,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:38" (1/3) ... [2020-10-25 23:05:40,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e0a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:40, skipping insertion in model container [2020-10-25 23:05:40,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:38" (2/3) ... [2020-10-25 23:05:40,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e0a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:40, skipping insertion in model container [2020-10-25 23:05:40,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:40" (3/3) ... [2020-10-25 23:05:40,234 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-10-25 23:05:40,245 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:40,250 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:40,263 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:40,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:40,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:40,291 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:40,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:40,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:40,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:40,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:40,291 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-10-25 23:05:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:40,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:40,316 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 23:05:40,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:40,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:40,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1554341699, now seen corresponding path program 1 times [2020-10-25 23:05:40,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:40,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931737097] [2020-10-25 23:05:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:40,586 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 23:05:40,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931737097] [2020-10-25 23:05:40,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:40,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:40,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178700397] [2020-10-25 23:05:40,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:40,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:40,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:40,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:40,611 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-10-25 23:05:40,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:40,646 INFO L93 Difference]: Finished difference Result 238 states and 363 transitions. [2020-10-25 23:05:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:40,648 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:40,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:40,660 INFO L225 Difference]: With dead ends: 238 [2020-10-25 23:05:40,661 INFO L226 Difference]: Without dead ends: 117 [2020-10-25 23:05:40,665 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 23:05:40,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-25 23:05:40,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-10-25 23:05:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-10-25 23:05:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-10-25 23:05:40,713 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-10-25 23:05:40,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:40,714 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-10-25 23:05:40,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:40,714 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-10-25 23:05:40,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:40,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:40,716 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 23:05:40,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:40,717 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:40,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:40,718 INFO L82 PathProgramCache]: Analyzing trace with hash 955831619, now seen corresponding path program 1 times [2020-10-25 23:05:40,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:40,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416641198] [2020-10-25 23:05:40,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:40,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416641198] [2020-10-25 23:05:40,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:40,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:40,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069812708] [2020-10-25 23:05:40,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:40,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:40,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:40,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:40,832 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-10-25 23:05:40,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:40,847 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-10-25 23:05:40,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:40,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:40,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:40,849 INFO L225 Difference]: With dead ends: 117 [2020-10-25 23:05:40,850 INFO L226 Difference]: Without dead ends: 49 [2020-10-25 23:05:40,851 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 23:05:40,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-25 23:05:40,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-25 23:05:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-25 23:05:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-10-25 23:05:40,858 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-10-25 23:05:40,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:40,858 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-10-25 23:05:40,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-10-25 23:05:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:40,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:40,860 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 23:05:40,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:40,861 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:40,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:40,861 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2020-10-25 23:05:40,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:40,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032517886] [2020-10-25 23:05:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,006 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 23:05:41,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032517886] [2020-10-25 23:05:41,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:41,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390864122] [2020-10-25 23:05:41,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:41,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:41,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:41,012 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-10-25 23:05:41,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:41,074 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-10-25 23:05:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:41,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:05:41,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:41,076 INFO L225 Difference]: With dead ends: 91 [2020-10-25 23:05:41,077 INFO L226 Difference]: Without dead ends: 49 [2020-10-25 23:05:41,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:41,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-25 23:05:41,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-25 23:05:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-25 23:05:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-10-25 23:05:41,086 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-10-25 23:05:41,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:41,086 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-10-25 23:05:41,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-10-25 23:05:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:41,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:41,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:41,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:41,089 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:41,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:41,090 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2020-10-25 23:05:41,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:41,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431089663] [2020-10-25 23:05:41,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,157 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 23:05:41,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431089663] [2020-10-25 23:05:41,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:41,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78059968] [2020-10-25 23:05:41,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:41,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:41,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:41,160 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-10-25 23:05:41,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:41,195 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-10-25 23:05:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:41,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-25 23:05:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:41,198 INFO L225 Difference]: With dead ends: 113 [2020-10-25 23:05:41,198 INFO L226 Difference]: Without dead ends: 71 [2020-10-25 23:05:41,199 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 23:05:41,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-25 23:05:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-10-25 23:05:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-25 23:05:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-10-25 23:05:41,209 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-10-25 23:05:41,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:41,209 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-10-25 23:05:41,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-10-25 23:05:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:05:41,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:41,213 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 23:05:41,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:41,215 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:41,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:41,216 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2020-10-25 23:05:41,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:41,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787384697] [2020-10-25 23:05:41,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,359 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 23:05:41,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787384697] [2020-10-25 23:05:41,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:41,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35375499] [2020-10-25 23:05:41,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:41,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:41,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:41,363 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-10-25 23:05:41,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:41,513 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-10-25 23:05:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:41,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-25 23:05:41,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:41,516 INFO L225 Difference]: With dead ends: 182 [2020-10-25 23:05:41,516 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 23:05:41,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:41,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 23:05:41,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-10-25 23:05:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-25 23:05:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-10-25 23:05:41,528 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-10-25 23:05:41,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:41,529 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-10-25 23:05:41,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-10-25 23:05:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:05:41,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:41,531 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 23:05:41,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:41,531 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:41,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:41,532 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2020-10-25 23:05:41,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:41,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220627117] [2020-10-25 23:05:41,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,644 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 23:05:41,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220627117] [2020-10-25 23:05:41,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:41,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537014821] [2020-10-25 23:05:41,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:41,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:41,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:41,649 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-10-25 23:05:41,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:41,768 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-10-25 23:05:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:41,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-25 23:05:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:41,772 INFO L225 Difference]: With dead ends: 387 [2020-10-25 23:05:41,772 INFO L226 Difference]: Without dead ends: 319 [2020-10-25 23:05:41,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:41,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-25 23:05:41,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-10-25 23:05:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-25 23:05:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-10-25 23:05:41,818 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-10-25 23:05:41,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:41,818 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-10-25 23:05:41,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-10-25 23:05:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:05:41,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:41,822 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] [2020-10-25 23:05:41,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:05:41,823 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:41,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:41,823 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2020-10-25 23:05:41,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:41,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034683926] [2020-10-25 23:05:41,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:41,920 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 23:05:41,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034683926] [2020-10-25 23:05:41,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:41,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:41,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461577771] [2020-10-25 23:05:41,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:41,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:41,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:41,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:41,923 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-10-25 23:05:42,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:42,079 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-10-25 23:05:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:05:42,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:05:42,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:42,083 INFO L225 Difference]: With dead ends: 506 [2020-10-25 23:05:42,083 INFO L226 Difference]: Without dead ends: 378 [2020-10-25 23:05:42,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:42,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-10-25 23:05:42,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-10-25 23:05:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-25 23:05:42,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-10-25 23:05:42,108 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-10-25 23:05:42,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:42,109 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-10-25 23:05:42,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-10-25 23:05:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:05:42,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:42,116 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] [2020-10-25 23:05:42,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:05:42,117 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:42,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:42,117 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2020-10-25 23:05:42,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:42,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228465229] [2020-10-25 23:05:42,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:42,214 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 23:05:42,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228465229] [2020-10-25 23:05:42,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:42,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:42,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298365840] [2020-10-25 23:05:42,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:42,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:42,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:42,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:42,218 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2020-10-25 23:05:42,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:42,338 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2020-10-25 23:05:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:05:42,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-25 23:05:42,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:42,340 INFO L225 Difference]: With dead ends: 357 [2020-10-25 23:05:42,341 INFO L226 Difference]: Without dead ends: 230 [2020-10-25 23:05:42,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-25 23:05:42,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-25 23:05:42,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2020-10-25 23:05:42,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-25 23:05:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-10-25 23:05:42,365 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-10-25 23:05:42,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:42,365 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-10-25 23:05:42,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-10-25 23:05:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:05:42,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:42,371 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] [2020-10-25 23:05:42,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:05:42,373 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:42,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:42,373 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2020-10-25 23:05:42,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:42,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407687238] [2020-10-25 23:05:42,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:42,440 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 23:05:42,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407687238] [2020-10-25 23:05:42,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:42,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:42,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746180221] [2020-10-25 23:05:42,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:42,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:42,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:42,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:42,443 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2020-10-25 23:05:42,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:42,497 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2020-10-25 23:05:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:42,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-25 23:05:42,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:42,499 INFO L225 Difference]: With dead ends: 327 [2020-10-25 23:05:42,500 INFO L226 Difference]: Without dead ends: 192 [2020-10-25 23:05:42,500 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 23:05:42,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-25 23:05:42,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-10-25 23:05:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-25 23:05:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2020-10-25 23:05:42,525 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2020-10-25 23:05:42,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:42,526 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2020-10-25 23:05:42,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:42,526 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2020-10-25 23:05:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:05:42,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:42,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:42,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:05:42,529 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:42,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:42,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2020-10-25 23:05:42,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:42,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693951739] [2020-10-25 23:05:42,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:42,602 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 23:05:42,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693951739] [2020-10-25 23:05:42,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:42,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:42,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910613264] [2020-10-25 23:05:42,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:42,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:42,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:42,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:42,605 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2020-10-25 23:05:42,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:42,653 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2020-10-25 23:05:42,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:42,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-25 23:05:42,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:42,656 INFO L225 Difference]: With dead ends: 295 [2020-10-25 23:05:42,656 INFO L226 Difference]: Without dead ends: 293 [2020-10-25 23:05:42,657 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 23:05:42,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-25 23:05:42,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2020-10-25 23:05:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-25 23:05:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2020-10-25 23:05:42,681 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2020-10-25 23:05:42,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:42,682 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2020-10-25 23:05:42,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2020-10-25 23:05:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:05:42,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:42,683 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:42,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:05:42,684 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:42,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:42,684 INFO L82 PathProgramCache]: Analyzing trace with hash 558378804, now seen corresponding path program 1 times [2020-10-25 23:05:42,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:42,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880765697] [2020-10-25 23:05:42,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:42,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880765697] [2020-10-25 23:05:42,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:42,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:42,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162698076] [2020-10-25 23:05:42,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:42,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:42,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:42,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:42,749 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 5 states. [2020-10-25 23:05:42,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:42,903 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2020-10-25 23:05:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:42,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-10-25 23:05:42,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:42,905 INFO L225 Difference]: With dead ends: 374 [2020-10-25 23:05:42,906 INFO L226 Difference]: Without dead ends: 197 [2020-10-25 23:05:42,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:42,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-25 23:05:42,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-10-25 23:05:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-25 23:05:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2020-10-25 23:05:42,926 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2020-10-25 23:05:42,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:42,927 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2020-10-25 23:05:42,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2020-10-25 23:05:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:05:42,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:42,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:42,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:05:42,929 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:42,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:42,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1047797080, now seen corresponding path program 1 times [2020-10-25 23:05:42,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:42,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175432538] [2020-10-25 23:05:42,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:05:43,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175432538] [2020-10-25 23:05:43,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:43,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-25 23:05:43,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903696995] [2020-10-25 23:05:43,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:05:43,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:43,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:05:43,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:43,013 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 7 states. [2020-10-25 23:05:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:43,153 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2020-10-25 23:05:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:43,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-25 23:05:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:43,156 INFO L225 Difference]: With dead ends: 528 [2020-10-25 23:05:43,156 INFO L226 Difference]: Without dead ends: 388 [2020-10-25 23:05:43,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-25 23:05:43,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-10-25 23:05:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2020-10-25 23:05:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-25 23:05:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-10-25 23:05:43,177 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2020-10-25 23:05:43,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:43,178 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-10-25 23:05:43,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:05:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-10-25 23:05:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:05:43,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:43,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:43,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 23:05:43,180 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:43,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:43,180 INFO L82 PathProgramCache]: Analyzing trace with hash 789631642, now seen corresponding path program 1 times [2020-10-25 23:05:43,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:43,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138843426] [2020-10-25 23:05:43,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:43,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138843426] [2020-10-25 23:05:43,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:43,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:43,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461928174] [2020-10-25 23:05:43,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:43,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:43,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:43,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:43,301 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-10-25 23:05:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:43,504 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-10-25 23:05:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:05:43,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-25 23:05:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:43,506 INFO L225 Difference]: With dead ends: 485 [2020-10-25 23:05:43,506 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:43,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:43,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-25 23:05:43,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:43,508 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:43,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:43,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:43,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 23:05:43,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:43,655 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2020-10-25 23:05:43,864 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2020-10-25 23:05:44,099 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 69 [2020-10-25 23:05:44,312 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2020-10-25 23:05:44,559 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 69 [2020-10-25 23:05:44,921 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-10-25 23:05:45,263 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-25 23:05:45,429 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-25 23:05:45,558 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-10-25 23:05:45,871 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-10-25 23:05:46,092 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-10-25 23:05:46,289 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-10-25 23:05:46,611 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2020-10-25 23:05:47,071 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2020-10-25 23:05:47,282 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-10-25 23:05:47,483 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-10-25 23:05:47,488 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,488 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,488 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,489 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,489 INFO L274 CegarLoopResult]: For program point L169(lines 169 176) no Hoare annotation was computed. [2020-10-25 23:05:47,489 INFO L277 CegarLoopResult]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2020-10-25 23:05:47,489 INFO L270 CegarLoopResult]: At program point L599(lines 550 600) the Hoare annotation is: false [2020-10-25 23:05:47,489 INFO L274 CegarLoopResult]: For program point L401(lines 401 418) no Hoare annotation was computed. [2020-10-25 23:05:47,490 INFO L274 CegarLoopResult]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2020-10-25 23:05:47,490 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2020-10-25 23:05:47,490 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:47,490 INFO L274 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2020-10-25 23:05:47,490 INFO L270 CegarLoopResult]: At program point L203-1(lines 1 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-25 23:05:47,491 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:47,491 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2020-10-25 23:05:47,491 INFO L270 CegarLoopResult]: At program point L203-3(lines 1 981) the Hoare annotation is: false [2020-10-25 23:05:47,491 INFO L274 CegarLoopResult]: For program point L203-4(lines 203 220) no Hoare annotation was computed. [2020-10-25 23:05:47,491 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-10-25 23:05:47,492 INFO L270 CegarLoopResult]: At program point L203-5(lines 1 981) the Hoare annotation is: false [2020-10-25 23:05:47,492 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,492 INFO L274 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,492 INFO L274 CegarLoopResult]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,492 INFO L274 CegarLoopResult]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,493 INFO L274 CegarLoopResult]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,493 INFO L274 CegarLoopResult]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,493 INFO L274 CegarLoopResult]: For program point L503-9(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,493 INFO L274 CegarLoopResult]: For program point L503-11(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,493 INFO L274 CegarLoopResult]: For program point L503-12(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,493 INFO L274 CegarLoopResult]: For program point L503-14(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,494 INFO L274 CegarLoopResult]: For program point L503-15(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,494 INFO L274 CegarLoopResult]: For program point L503-17(lines 503 507) no Hoare annotation was computed. [2020-10-25 23:05:47,494 INFO L274 CegarLoopResult]: For program point L405(lines 405 413) no Hoare annotation was computed. [2020-10-25 23:05:47,494 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2020-10-25 23:05:47,494 INFO L274 CegarLoopResult]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2020-10-25 23:05:47,495 INFO L270 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-10-25 23:05:47,495 INFO L270 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2020-10-25 23:05:47,495 INFO L274 CegarLoopResult]: For program point L207(lines 207 217) no Hoare annotation was computed. [2020-10-25 23:05:47,495 INFO L270 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2020-10-25 23:05:47,495 INFO L274 CegarLoopResult]: For program point L207-2(lines 207 217) no Hoare annotation was computed. [2020-10-25 23:05:47,496 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:05:47,496 INFO L274 CegarLoopResult]: For program point L207-4(lines 207 217) no Hoare annotation was computed. [2020-10-25 23:05:47,496 INFO L274 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-10-25 23:05:47,496 INFO L270 CegarLoopResult]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-25 23:05:47,497 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,497 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-10-25 23:05:47,497 INFO L274 CegarLoopResult]: For program point L208-2(lines 208 214) no Hoare annotation was computed. [2020-10-25 23:05:47,497 INFO L274 CegarLoopResult]: For program point L208-4(lines 208 214) no Hoare annotation was computed. [2020-10-25 23:05:47,497 INFO L270 CegarLoopResult]: At program point L143(lines 139 145) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:05:47,498 INFO L274 CegarLoopResult]: For program point L375(lines 375 392) no Hoare annotation was computed. [2020-10-25 23:05:47,498 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2020-10-25 23:05:47,498 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2020-10-25 23:05:47,498 INFO L274 CegarLoopResult]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2020-10-25 23:05:47,498 INFO L274 CegarLoopResult]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2020-10-25 23:05:47,499 INFO L274 CegarLoopResult]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2020-10-25 23:05:47,499 INFO L270 CegarLoopResult]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse5 (= ~methAndRunningLastTime~0 0)) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse6 .cse5) (and .cse0 (not .cse3) .cse2 .cse6 .cse4 .cse5))) [2020-10-25 23:05:47,499 INFO L274 CegarLoopResult]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2020-10-25 23:05:47,499 INFO L270 CegarLoopResult]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2020-10-25 23:05:47,499 INFO L270 CegarLoopResult]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2020-10-25 23:05:47,500 INFO L277 CegarLoopResult]: At program point L178(lines 159 181) the Hoare annotation is: true [2020-10-25 23:05:47,500 INFO L270 CegarLoopResult]: At program point L509(lines 494 512) the Hoare annotation is: false [2020-10-25 23:05:47,500 INFO L270 CegarLoopResult]: At program point L509-1(lines 494 512) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse7 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse5 .cse6 .cse7 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse8) (and .cse7 (= ~methaneLevelCritical~0 0) .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse7 .cse8 .cse9 .cse3 .cse4 .cse6 .cse10) (and .cse0 .cse1 .cse7 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6 .cse10))) [2020-10-25 23:05:47,500 INFO L270 CegarLoopResult]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2020-10-25 23:05:47,501 INFO L270 CegarLoopResult]: At program point L509-3(lines 494 512) the Hoare annotation is: false [2020-10-25 23:05:47,501 INFO L270 CegarLoopResult]: At program point L509-4(lines 494 512) the Hoare annotation is: false [2020-10-25 23:05:47,501 INFO L270 CegarLoopResult]: At program point L509-5(lines 494 512) the Hoare annotation is: false [2020-10-25 23:05:47,501 INFO L274 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-10-25 23:05:47,501 INFO L274 CegarLoopResult]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2020-10-25 23:05:47,502 INFO L274 CegarLoopResult]: For program point L313(lines 313 319) no Hoare annotation was computed. [2020-10-25 23:05:47,502 INFO L274 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-10-25 23:05:47,502 INFO L274 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-10-25 23:05:47,502 INFO L274 CegarLoopResult]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2020-10-25 23:05:47,502 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 319) no Hoare annotation was computed. [2020-10-25 23:05:47,503 INFO L274 CegarLoopResult]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2020-10-25 23:05:47,503 INFO L274 CegarLoopResult]: For program point L313-3(lines 313 319) no Hoare annotation was computed. [2020-10-25 23:05:47,503 INFO L274 CegarLoopResult]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2020-10-25 23:05:47,503 INFO L274 CegarLoopResult]: For program point L313-4(lines 313 319) no Hoare annotation was computed. [2020-10-25 23:05:47,503 INFO L274 CegarLoopResult]: For program point L313-5(lines 313 319) no Hoare annotation was computed. [2020-10-25 23:05:47,503 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-10-25 23:05:47,504 INFO L274 CegarLoopResult]: For program point L581(lines 581 594) no Hoare annotation was computed. [2020-10-25 23:05:47,504 INFO L270 CegarLoopResult]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-10-25 23:05:47,504 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:47,504 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2020-10-25 23:05:47,504 INFO L270 CegarLoopResult]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2020-10-25 23:05:47,505 INFO L274 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-10-25 23:05:47,505 INFO L274 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-10-25 23:05:47,505 INFO L274 CegarLoopResult]: For program point L978-2(line 978) no Hoare annotation was computed. [2020-10-25 23:05:47,505 INFO L270 CegarLoopResult]: At program point L318(lines 309 322) the Hoare annotation is: false [2020-10-25 23:05:47,505 INFO L270 CegarLoopResult]: At program point L318-1(lines 309 322) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse7 .cse5 .cse8))) [2020-10-25 23:05:47,506 INFO L270 CegarLoopResult]: At program point L318-2(lines 309 322) the Hoare annotation is: false [2020-10-25 23:05:47,506 INFO L270 CegarLoopResult]: At program point L318-3(lines 309 322) the Hoare annotation is: false [2020-10-25 23:05:47,506 INFO L270 CegarLoopResult]: At program point L318-4(lines 309 322) the Hoare annotation is: false [2020-10-25 23:05:47,506 INFO L270 CegarLoopResult]: At program point L318-5(lines 309 322) the Hoare annotation is: false [2020-10-25 23:05:47,506 INFO L274 CegarLoopResult]: For program point L552(lines 551 598) no Hoare annotation was computed. [2020-10-25 23:05:47,507 INFO L274 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-10-25 23:05:47,507 INFO L270 CegarLoopResult]: At program point L454(lines 449 457) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse4) .cse1 .cse3 .cse5 .cse6 .cse7) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 .cse4 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse8 .cse6 .cse7))) [2020-10-25 23:05:47,507 INFO L270 CegarLoopResult]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2020-10-25 23:05:47,507 INFO L270 CegarLoopResult]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2020-10-25 23:05:47,507 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:47,508 INFO L270 CegarLoopResult]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2020-10-25 23:05:47,508 INFO L274 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-10-25 23:05:47,508 INFO L274 CegarLoopResult]: For program point L522-2(lines 522 526) no Hoare annotation was computed. [2020-10-25 23:05:47,508 INFO L274 CegarLoopResult]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2020-10-25 23:05:47,508 INFO L274 CegarLoopResult]: For program point L522-5(lines 522 526) no Hoare annotation was computed. [2020-10-25 23:05:47,508 INFO L274 CegarLoopResult]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2020-10-25 23:05:47,509 INFO L274 CegarLoopResult]: For program point L522-8(lines 522 526) no Hoare annotation was computed. [2020-10-25 23:05:47,509 INFO L270 CegarLoopResult]: At program point L192(lines 187 194) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:05:47,509 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 23:05:47,509 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-10-25 23:05:47,509 INFO L270 CegarLoopResult]: At program point L589-2(lines 343 349) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-25 23:05:47,510 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:47,510 INFO L274 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-10-25 23:05:47,510 INFO L274 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-10-25 23:05:47,510 INFO L274 CegarLoopResult]: For program point L96-1(lines 343 349) no Hoare annotation was computed. [2020-10-25 23:05:47,510 INFO L270 CegarLoopResult]: At program point L328(lines 323 331) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_main_~tmp~0 1) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,510 INFO L270 CegarLoopResult]: At program point L328-1(lines 323 331) the Hoare annotation is: false [2020-10-25 23:05:47,511 INFO L270 CegarLoopResult]: At program point L328-2(lines 323 331) the Hoare annotation is: false [2020-10-25 23:05:47,511 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:47,511 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:47,511 INFO L274 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-10-25 23:05:47,511 INFO L270 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-25 23:05:47,512 INFO L270 CegarLoopResult]: At program point L528(lines 513 531) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (= ULTIMATE.start_main_~tmp~0 1) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:47,512 INFO L270 CegarLoopResult]: At program point L528-1(lines 513 531) the Hoare annotation is: false [2020-10-25 23:05:47,512 INFO L270 CegarLoopResult]: At program point L528-2(lines 513 531) the Hoare annotation is: false [2020-10-25 23:05:47,512 INFO L270 CegarLoopResult]: At program point L67(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:05:47,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:47 BoogieIcfgContainer [2020-10-25 23:05:47,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:47,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:47,548 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:47,549 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:47,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:40" (3/4) ... [2020-10-25 23:05:47,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:47,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:47,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:47,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:47,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:47,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:47,578 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:47,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:47,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:05:47,609 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:05:47,609 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:05:47,609 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,613 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:47,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-25 23:05:47,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-10-25 23:05:47,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-10-25 23:05:47,616 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-25 23:05:47,616 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-10-25 23:05:47,698 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:47,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:47,700 INFO L168 Benchmark]: Toolchain (without parser) took 9479.30 ms. Allocated memory was 52.4 MB in the beginning and 146.8 MB in the end (delta: 94.4 MB). Free memory was 31.3 MB in the beginning and 59.4 MB in the end (delta: -28.1 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,701 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:47,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.17 ms. Allocated memory is still 52.4 MB. Free memory was 30.7 MB in the beginning and 24.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.35 ms. Allocated memory is still 52.4 MB. Free memory was 24.2 MB in the beginning and 35.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,702 INFO L168 Benchmark]: Boogie Preprocessor took 88.43 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 32.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,703 INFO L168 Benchmark]: RCFGBuilder took 1087.93 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 32.4 MB in the beginning and 41.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,703 INFO L168 Benchmark]: TraceAbstraction took 7320.35 ms. Allocated memory was 69.2 MB in the beginning and 146.8 MB in the end (delta: 77.6 MB). Free memory was 41.0 MB in the beginning and 69.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 80.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,704 INFO L168 Benchmark]: Witness Printer took 150.52 ms. Allocated memory is still 146.8 MB. Free memory was 69.9 MB in the beginning and 59.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:47,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 721.17 ms. Allocated memory is still 52.4 MB. Free memory was 30.7 MB in the beginning and 24.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.35 ms. Allocated memory is still 52.4 MB. Free memory was 24.2 MB in the beginning and 35.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.43 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 32.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1087.93 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 32.4 MB in the beginning and 41.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7320.35 ms. Allocated memory was 69.2 MB in the beginning and 146.8 MB in the end (delta: 77.6 MB). Free memory was 41.0 MB in the beginning and 69.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 80.1 MB. Max. memory is 16.1 GB. * Witness Printer took 150.52 ms. Allocated memory is still 146.8 MB. Free memory was 69.9 MB in the beginning and 59.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 1858 SDslu, 1702 SDs, 0 SdLazy, 228 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1065 HoareAnnotationTreeSize, 44 FomulaSimplifications, 463335 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9569 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 32801 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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...