./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product57.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_product57.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 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:05:47,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:47,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:47,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:47,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:47,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:47,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:47,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:47,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:47,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:47,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:47,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:47,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:47,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:47,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:47,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:47,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:47,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:47,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:47,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:47,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:47,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:47,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:47,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:47,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:47,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:47,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:47,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:47,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:47,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:47,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:47,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:47,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:47,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:47,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:47,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:47,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:47,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:47,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:47,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:47,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:47,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:47,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:47,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:47,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:47,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:47,270 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:47,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:47,270 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:47,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:47,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:47,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:47,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:47,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:47,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:47,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:47,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:47,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:47,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:47,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:47,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:47,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:47,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:47,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:47,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:47,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:47,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:47,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:47,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:47,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:47,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:47,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 [2020-10-25 23:05:47,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:47,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:47,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:47,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:47,741 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:47,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-10-25 23:05:47,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7de3a16/7c054753edcb40068d1c5b4e10fcc5fc/FLAGb8e7b2917 [2020-10-25 23:05:48,715 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:48,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-10-25 23:05:48,743 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7de3a16/7c054753edcb40068d1c5b4e10fcc5fc/FLAGb8e7b2917 [2020-10-25 23:05:48,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a7de3a16/7c054753edcb40068d1c5b4e10fcc5fc [2020-10-25 23:05:48,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:48,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:48,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:48,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:48,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:48,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:48" (1/1) ... [2020-10-25 23:05:48,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1011ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:48, skipping insertion in model container [2020-10-25 23:05:48,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:48" (1/1) ... [2020-10-25 23:05:48,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:49,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:49,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:49,390 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:49,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:49,571 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:49,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49 WrapperNode [2020-10-25 23:05:49,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:49,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:49,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:49,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:49,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:49,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:49,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:49,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:49,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (1/1) ... [2020-10-25 23:05:49,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:49,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:49,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:49,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:49,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (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 23:05:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:50,994 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:50,995 INFO L298 CfgBuilder]: Removed 200 assume(true) statements. [2020-10-25 23:05:50,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:50 BoogieIcfgContainer [2020-10-25 23:05:50,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:50,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:51,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:51,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:51,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:48" (1/3) ... [2020-10-25 23:05:51,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7122a738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:51, skipping insertion in model container [2020-10-25 23:05:51,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:49" (2/3) ... [2020-10-25 23:05:51,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7122a738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:51, skipping insertion in model container [2020-10-25 23:05:51,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:50" (3/3) ... [2020-10-25 23:05:51,008 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2020-10-25 23:05:51,026 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:51,031 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:51,046 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:51,077 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:51,077 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:51,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:51,078 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:51,078 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:51,078 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:51,078 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:51,078 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-10-25 23:05:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:51,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:51,109 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 23:05:51,109 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:51,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:51,117 INFO L82 PathProgramCache]: Analyzing trace with hash 452487524, now seen corresponding path program 1 times [2020-10-25 23:05:51,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:51,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752644496] [2020-10-25 23:05:51,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:51,470 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 23:05:51,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752644496] [2020-10-25 23:05:51,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:51,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:51,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336245576] [2020-10-25 23:05:51,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:51,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:51,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:51,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:51,509 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-10-25 23:05:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:51,551 INFO L93 Difference]: Finished difference Result 274 states and 411 transitions. [2020-10-25 23:05:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:51,553 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:51,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:51,566 INFO L225 Difference]: With dead ends: 274 [2020-10-25 23:05:51,567 INFO L226 Difference]: Without dead ends: 135 [2020-10-25 23:05:51,572 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 23:05:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-25 23:05:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-10-25 23:05:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-25 23:05:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-10-25 23:05:51,629 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2020-10-25 23:05:51,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:51,629 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-10-25 23:05:51,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-10-25 23:05:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:51,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:51,632 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 23:05:51,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:51,633 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:51,634 INFO L82 PathProgramCache]: Analyzing trace with hash 233651555, now seen corresponding path program 1 times [2020-10-25 23:05:51,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:51,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538529348] [2020-10-25 23:05:51,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:51,779 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 23:05:51,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538529348] [2020-10-25 23:05:51,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:51,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:51,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245859762] [2020-10-25 23:05:51,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:51,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:51,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:51,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:51,784 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2020-10-25 23:05:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:51,801 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2020-10-25 23:05:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:51,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:51,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:51,803 INFO L225 Difference]: With dead ends: 135 [2020-10-25 23:05:51,803 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:05:51,805 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 23:05:51,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:05:51,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:05:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:05:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-10-25 23:05:51,812 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-10-25 23:05:51,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:51,812 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-10-25 23:05:51,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-10-25 23:05:51,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:51,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:51,814 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 23:05:51,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:51,814 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:51,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:51,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2020-10-25 23:05:51,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:51,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9930437] [2020-10-25 23:05:51,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:51,955 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 23:05:51,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9930437] [2020-10-25 23:05:51,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:51,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:51,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322490210] [2020-10-25 23:05:51,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:51,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:51,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:51,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:51,959 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-10-25 23:05:52,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:52,117 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-10-25 23:05:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:52,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-25 23:05:52,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:52,121 INFO L225 Difference]: With dead ends: 103 [2020-10-25 23:05:52,121 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:05:52,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:52,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:05:52,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:05:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:05:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-10-25 23:05:52,140 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-10-25 23:05:52,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:52,142 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-10-25 23:05:52,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:52,143 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-10-25 23:05:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:52,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:52,144 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 23:05:52,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:52,145 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:52,147 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2020-10-25 23:05:52,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:52,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57067797] [2020-10-25 23:05:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:52,275 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 23:05:52,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57067797] [2020-10-25 23:05:52,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:52,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:52,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610046564] [2020-10-25 23:05:52,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:52,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:52,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:52,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:52,285 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-10-25 23:05:52,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:52,341 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2020-10-25 23:05:52,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:52,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-25 23:05:52,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:52,343 INFO L225 Difference]: With dead ends: 125 [2020-10-25 23:05:52,343 INFO L226 Difference]: Without dead ends: 77 [2020-10-25 23:05:52,344 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 23:05:52,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-25 23:05:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2020-10-25 23:05:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-25 23:05:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-10-25 23:05:52,366 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2020-10-25 23:05:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:52,367 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-10-25 23:05:52,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-10-25 23:05:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:05:52,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:52,369 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 23:05:52,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:52,369 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:52,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:52,370 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2020-10-25 23:05:52,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:52,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743817398] [2020-10-25 23:05:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:52,424 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 23:05:52,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743817398] [2020-10-25 23:05:52,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:52,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:52,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095609964] [2020-10-25 23:05:52,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:52,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:52,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:52,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:52,427 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-10-25 23:05:52,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:52,463 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2020-10-25 23:05:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:52,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-25 23:05:52,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:52,466 INFO L225 Difference]: With dead ends: 194 [2020-10-25 23:05:52,466 INFO L226 Difference]: Without dead ends: 126 [2020-10-25 23:05:52,467 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 23:05:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-25 23:05:52,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-10-25 23:05:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-25 23:05:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-10-25 23:05:52,482 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2020-10-25 23:05:52,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:52,483 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-10-25 23:05:52,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-10-25 23:05:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:05:52,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:52,485 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 23:05:52,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:52,485 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:52,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:52,486 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2020-10-25 23:05:52,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:52,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818816020] [2020-10-25 23:05:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:52,569 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 23:05:52,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818816020] [2020-10-25 23:05:52,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:52,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:52,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271962214] [2020-10-25 23:05:52,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:52,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:52,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:52,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:52,575 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2020-10-25 23:05:52,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:52,747 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2020-10-25 23:05:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:52,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-25 23:05:52,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:52,752 INFO L225 Difference]: With dead ends: 622 [2020-10-25 23:05:52,752 INFO L226 Difference]: Without dead ends: 505 [2020-10-25 23:05:52,753 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 23:05:52,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-10-25 23:05:52,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2020-10-25 23:05:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-25 23:05:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2020-10-25 23:05:52,787 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2020-10-25 23:05:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:52,788 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2020-10-25 23:05:52,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2020-10-25 23:05:52,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:05:52,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:52,791 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 23:05:52,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:05:52,792 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:52,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:52,792 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2020-10-25 23:05:52,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:52,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044752093] [2020-10-25 23:05:52,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:52,900 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 23:05:52,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044752093] [2020-10-25 23:05:52,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:52,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:52,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975476581] [2020-10-25 23:05:52,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:52,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:52,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:52,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:52,911 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2020-10-25 23:05:53,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:53,113 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2020-10-25 23:05:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:05:53,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:05:53,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:53,120 INFO L225 Difference]: With dead ends: 865 [2020-10-25 23:05:53,120 INFO L226 Difference]: Without dead ends: 645 [2020-10-25 23:05:53,122 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 23:05:53,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-10-25 23:05:53,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2020-10-25 23:05:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-25 23:05:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2020-10-25 23:05:53,154 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2020-10-25 23:05:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:53,155 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2020-10-25 23:05:53,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2020-10-25 23:05:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-25 23:05:53,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:53,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:53,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:05:53,166 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:53,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:53,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2020-10-25 23:05:53,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:53,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52561013] [2020-10-25 23:05:53,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:53,265 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 23:05:53,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52561013] [2020-10-25 23:05:53,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:53,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:53,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524628905] [2020-10-25 23:05:53,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:53,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:53,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:53,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:53,269 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2020-10-25 23:05:53,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:53,371 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2020-10-25 23:05:53,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:53,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-25 23:05:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:53,374 INFO L225 Difference]: With dead ends: 609 [2020-10-25 23:05:53,375 INFO L226 Difference]: Without dead ends: 391 [2020-10-25 23:05:53,376 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 23:05:53,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-10-25 23:05:53,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2020-10-25 23:05:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-10-25 23:05:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2020-10-25 23:05:53,406 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2020-10-25 23:05:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:53,407 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2020-10-25 23:05:53,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2020-10-25 23:05:53,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-25 23:05:53,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:53,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:53,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:05:53,410 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:53,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2020-10-25 23:05:53,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:53,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317696678] [2020-10-25 23:05:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:53,491 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 23:05:53,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317696678] [2020-10-25 23:05:53,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:53,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:53,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918830306] [2020-10-25 23:05:53,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:53,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:53,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:53,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:53,493 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2020-10-25 23:05:53,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:53,613 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2020-10-25 23:05:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:05:53,614 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-25 23:05:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:53,616 INFO L225 Difference]: With dead ends: 550 [2020-10-25 23:05:53,616 INFO L226 Difference]: Without dead ends: 314 [2020-10-25 23:05:53,617 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 23:05:53,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-25 23:05:53,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2020-10-25 23:05:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-25 23:05:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2020-10-25 23:05:53,647 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2020-10-25 23:05:53,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:53,648 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2020-10-25 23:05:53,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:53,648 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2020-10-25 23:05:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-25 23:05:53,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:53,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:53,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:05:53,650 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:53,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:53,651 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2020-10-25 23:05:53,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:53,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462178115] [2020-10-25 23:05:53,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:53,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462178115] [2020-10-25 23:05:53,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:53,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:53,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957167516] [2020-10-25 23:05:53,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:53,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:53,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:53,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:53,750 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2020-10-25 23:05:54,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:54,111 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2020-10-25 23:05:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-25 23:05:54,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-10-25 23:05:54,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:54,114 INFO L225 Difference]: With dead ends: 615 [2020-10-25 23:05:54,115 INFO L226 Difference]: Without dead ends: 418 [2020-10-25 23:05:54,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-25 23:05:54,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-10-25 23:05:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2020-10-25 23:05:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-25 23:05:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2020-10-25 23:05:54,146 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2020-10-25 23:05:54,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:54,146 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2020-10-25 23:05:54,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2020-10-25 23:05:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:05:54,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:54,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:54,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:05:54,147 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:54,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:54,148 INFO L82 PathProgramCache]: Analyzing trace with hash 746215448, now seen corresponding path program 1 times [2020-10-25 23:05:54,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:54,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645828950] [2020-10-25 23:05:54,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:05:54,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645828950] [2020-10-25 23:05:54,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:54,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-25 23:05:54,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250994128] [2020-10-25 23:05:54,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:05:54,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:54,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:05:54,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:54,240 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2020-10-25 23:05:54,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:54,395 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2020-10-25 23:05:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:54,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-25 23:05:54,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:54,399 INFO L225 Difference]: With dead ends: 516 [2020-10-25 23:05:54,399 INFO L226 Difference]: Without dead ends: 369 [2020-10-25 23:05:54,400 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 23:05:54,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-25 23:05:54,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2020-10-25 23:05:54,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-25 23:05:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2020-10-25 23:05:54,429 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2020-10-25 23:05:54,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:54,431 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2020-10-25 23:05:54,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:05:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2020-10-25 23:05:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:05:54,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:54,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:54,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:05:54,432 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:54,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:54,433 INFO L82 PathProgramCache]: Analyzing trace with hash 488050010, now seen corresponding path program 1 times [2020-10-25 23:05:54,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:54,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755721888] [2020-10-25 23:05:54,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:54,527 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:54,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755721888] [2020-10-25 23:05:54,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:54,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:54,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970603500] [2020-10-25 23:05:54,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:54,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:54,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:54,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:54,531 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2020-10-25 23:05:54,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:54,591 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2020-10-25 23:05:54,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:54,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-10-25 23:05:54,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:54,594 INFO L225 Difference]: With dead ends: 331 [2020-10-25 23:05:54,595 INFO L226 Difference]: Without dead ends: 329 [2020-10-25 23:05:54,595 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 23:05:54,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-25 23:05:54,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2020-10-25 23:05:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-25 23:05:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2020-10-25 23:05:54,626 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2020-10-25 23:05:54,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:54,626 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2020-10-25 23:05:54,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2020-10-25 23:05:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-25 23:05:54,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:54,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:54,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 23:05:54,628 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:54,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:54,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1765608871, now seen corresponding path program 1 times [2020-10-25 23:05:54,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:54,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396938161] [2020-10-25 23:05:54,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:05:54,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396938161] [2020-10-25 23:05:54,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:54,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:54,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316098052] [2020-10-25 23:05:54,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:54,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:54,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:54,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:54,839 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2020-10-25 23:05:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:55,091 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2020-10-25 23:05:55,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:55,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-25 23:05:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:55,098 INFO L225 Difference]: With dead ends: 589 [2020-10-25 23:05:55,098 INFO L226 Difference]: Without dead ends: 410 [2020-10-25 23:05:55,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:55,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-10-25 23:05:55,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2020-10-25 23:05:55,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-25 23:05:55,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2020-10-25 23:05:55,144 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2020-10-25 23:05:55,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:55,145 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2020-10-25 23:05:55,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2020-10-25 23:05:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-25 23:05:55,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:55,147 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:55,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 23:05:55,148 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:55,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:55,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1508290071, now seen corresponding path program 1 times [2020-10-25 23:05:55,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:55,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547887310] [2020-10-25 23:05:55,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:55,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547887310] [2020-10-25 23:05:55,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850620724] [2020-10-25 23:05:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 23:05:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:55,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 23:05:55,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:05:55,544 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:55,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 23:05:55,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-25 23:05:55,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242619881] [2020-10-25 23:05:55,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:05:55,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:55,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:05:55,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:05:55,547 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2020-10-25 23:05:55,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:55,754 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2020-10-25 23:05:55,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:05:55,755 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-10-25 23:05:55,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:55,757 INFO L225 Difference]: With dead ends: 559 [2020-10-25 23:05:55,758 INFO L226 Difference]: Without dead ends: 294 [2020-10-25 23:05:55,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:05:55,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-25 23:05:55,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2020-10-25 23:05:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-25 23:05:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-10-25 23:05:55,823 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2020-10-25 23:05:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:55,823 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-10-25 23:05:55,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:05:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-10-25 23:05:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-25 23:05:55,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:55,825 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:56,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-25 23:05:56,039 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:56,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:56,040 INFO L82 PathProgramCache]: Analyzing trace with hash -468601353, now seen corresponding path program 2 times [2020-10-25 23:05:56,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:56,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187592341] [2020-10-25 23:05:56,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-25 23:05:56,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187592341] [2020-10-25 23:05:56,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:56,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:56,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853257400] [2020-10-25 23:05:56,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:56,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:56,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:56,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:56,198 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2020-10-25 23:05:56,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:56,411 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2020-10-25 23:05:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:05:56,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-10-25 23:05:56,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:56,413 INFO L225 Difference]: With dead ends: 608 [2020-10-25 23:05:56,413 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:56,415 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 23:05:56,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:56,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:56,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-10-25 23:05:56,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:56,419 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:56,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:56,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:56,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-25 23:05:56,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:56,695 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2020-10-25 23:05:57,033 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 137 [2020-10-25 23:05:57,429 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2020-10-25 23:05:57,791 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 125 [2020-10-25 23:05:57,964 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2020-10-25 23:05:58,301 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2020-10-25 23:05:58,590 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 160 [2020-10-25 23:05:58,912 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 176 [2020-10-25 23:05:59,432 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2020-10-25 23:05:59,561 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2020-10-25 23:06:00,360 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-10-25 23:06:00,601 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2020-10-25 23:06:01,158 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2020-10-25 23:06:01,369 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-10-25 23:06:01,868 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2020-10-25 23:06:02,053 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2020-10-25 23:06:02,529 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2020-10-25 23:06:02,765 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-10-25 23:06:03,542 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-10-25 23:06:04,271 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 40 [2020-10-25 23:06:05,107 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-10-25 23:06:05,150 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:05,151 INFO L270 CegarLoopResult]: At program point L300(lines 295 302) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:06:05,151 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:06:05,151 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:06:05,151 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:06:05,151 INFO L274 CegarLoopResult]: For program point L400(lines 400 417) no Hoare annotation was computed. [2020-10-25 23:06:05,151 INFO L274 CegarLoopResult]: For program point L400-1(lines 400 417) no Hoare annotation was computed. [2020-10-25 23:06:05,151 INFO L274 CegarLoopResult]: For program point L400-2(lines 400 417) no Hoare annotation was computed. [2020-10-25 23:06:05,151 INFO L270 CegarLoopResult]: At program point L203-2(lines 203 217) the Hoare annotation is: false [2020-10-25 23:06:05,151 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 23:06:05,151 INFO L274 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L437(lines 437 443) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L404(lines 404 412) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L437-2(lines 437 443) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L404-1(lines 404 412) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 412) no Hoare annotation was computed. [2020-10-25 23:06:05,152 INFO L274 CegarLoopResult]: For program point L437-4(lines 437 443) no Hoare annotation was computed. [2020-10-25 23:06:05,153 INFO L274 CegarLoopResult]: For program point L437-6(lines 437 443) no Hoare annotation was computed. [2020-10-25 23:06:05,153 INFO L274 CegarLoopResult]: For program point L437-8(lines 437 443) no Hoare annotation was computed. [2020-10-25 23:06:05,153 INFO L274 CegarLoopResult]: For program point L437-10(lines 437 443) no Hoare annotation was computed. [2020-10-25 23:06:05,153 INFO L274 CegarLoopResult]: For program point L570(lines 570 576) no Hoare annotation was computed. [2020-10-25 23:06:05,154 INFO L270 CegarLoopResult]: At program point L570-1(lines 570 576) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-10-25 23:06:05,155 INFO L270 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:06:05,155 INFO L270 CegarLoopResult]: At program point L471-1(lines 466 474) the Hoare annotation is: false [2020-10-25 23:06:05,155 INFO L270 CegarLoopResult]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2020-10-25 23:06:05,155 INFO L274 CegarLoopResult]: For program point L207(lines 207 211) no Hoare annotation was computed. [2020-10-25 23:06:05,155 INFO L274 CegarLoopResult]: For program point L207-1(lines 342 348) no Hoare annotation was computed. [2020-10-25 23:06:05,156 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:06:05,156 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:05,156 INFO L274 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-10-25 23:06:05,156 INFO L274 CegarLoopResult]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2020-10-25 23:06:05,156 INFO L274 CegarLoopResult]: For program point L539-3(lines 539 543) no Hoare annotation was computed. [2020-10-25 23:06:05,156 INFO L274 CegarLoopResult]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-10-25 23:06:05,157 INFO L274 CegarLoopResult]: For program point L539-5(lines 539 543) no Hoare annotation was computed. [2020-10-25 23:06:05,157 INFO L274 CegarLoopResult]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2020-10-25 23:06:05,157 INFO L274 CegarLoopResult]: For program point L539-6(lines 539 543) no Hoare annotation was computed. [2020-10-25 23:06:05,157 INFO L274 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-10-25 23:06:05,157 INFO L274 CegarLoopResult]: For program point L374-3(lines 374 391) no Hoare annotation was computed. [2020-10-25 23:06:05,157 INFO L274 CegarLoopResult]: For program point L539-8(lines 539 543) no Hoare annotation was computed. [2020-10-25 23:06:05,158 INFO L274 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-10-25 23:06:05,158 INFO L274 CegarLoopResult]: For program point L374-5(lines 374 391) no Hoare annotation was computed. [2020-10-25 23:06:05,158 INFO L270 CegarLoopResult]: At program point L176(lines 167 180) the Hoare annotation is: false [2020-10-25 23:06:05,158 INFO L270 CegarLoopResult]: At program point L176-1(lines 167 180) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6))) [2020-10-25 23:06:05,158 INFO L270 CegarLoopResult]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2020-10-25 23:06:05,159 INFO L270 CegarLoopResult]: At program point L176-3(lines 167 180) the Hoare annotation is: false [2020-10-25 23:06:05,159 INFO L270 CegarLoopResult]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2020-10-25 23:06:05,159 INFO L270 CegarLoopResult]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2020-10-25 23:06:05,159 INFO L270 CegarLoopResult]: At program point L606(lines 559 607) the Hoare annotation is: false [2020-10-25 23:06:05,160 INFO L270 CegarLoopResult]: At program point L342(lines 341 360) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse1 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse5 .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-10-25 23:06:05,160 INFO L274 CegarLoopResult]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2020-10-25 23:06:05,160 INFO L270 CegarLoopResult]: At program point L342-2(lines 341 360) the Hoare annotation is: false [2020-10-25 23:06:05,160 INFO L270 CegarLoopResult]: At program point L342-3(lines 341 360) the Hoare annotation is: false [2020-10-25 23:06:05,160 INFO L274 CegarLoopResult]: For program point L311(lines 311 328) no Hoare annotation was computed. [2020-10-25 23:06:05,160 INFO L274 CegarLoopResult]: For program point L278(lines 278 285) no Hoare annotation was computed. [2020-10-25 23:06:05,161 INFO L270 CegarLoopResult]: At program point L311-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse6 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-10-25 23:06:05,161 INFO L274 CegarLoopResult]: For program point L311-2(lines 311 328) no Hoare annotation was computed. [2020-10-25 23:06:05,161 INFO L277 CegarLoopResult]: At program point L278-1(lines 278 285) the Hoare annotation is: true [2020-10-25 23:06:05,161 INFO L270 CegarLoopResult]: At program point L311-3(lines 1 988) the Hoare annotation is: false [2020-10-25 23:06:05,161 INFO L274 CegarLoopResult]: For program point L311-4(lines 311 328) no Hoare annotation was computed. [2020-10-25 23:06:05,161 INFO L270 CegarLoopResult]: At program point L311-5(lines 1 988) the Hoare annotation is: false [2020-10-25 23:06:05,162 INFO L274 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-10-25 23:06:05,162 INFO L274 CegarLoopResult]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2020-10-25 23:06:05,162 INFO L274 CegarLoopResult]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2020-10-25 23:06:05,162 INFO L274 CegarLoopResult]: For program point L378-3(lines 378 386) no Hoare annotation was computed. [2020-10-25 23:06:05,162 INFO L274 CegarLoopResult]: For program point L378-4(lines 378 386) no Hoare annotation was computed. [2020-10-25 23:06:05,162 INFO L274 CegarLoopResult]: For program point L378-5(lines 378 386) no Hoare annotation was computed. [2020-10-25 23:06:05,163 INFO L270 CegarLoopResult]: At program point L545(lines 530 548) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse1 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-10-25 23:06:05,163 INFO L270 CegarLoopResult]: At program point L545-1(lines 530 548) the Hoare annotation is: false [2020-10-25 23:06:05,163 INFO L270 CegarLoopResult]: At program point L545-2(lines 530 548) the Hoare annotation is: false [2020-10-25 23:06:05,163 INFO L274 CegarLoopResult]: For program point L315(lines 315 325) no Hoare annotation was computed. [2020-10-25 23:06:05,163 INFO L274 CegarLoopResult]: For program point L315-2(lines 315 325) no Hoare annotation was computed. [2020-10-25 23:06:05,164 INFO L274 CegarLoopResult]: For program point L315-4(lines 315 325) no Hoare annotation was computed. [2020-10-25 23:06:05,164 INFO L274 CegarLoopResult]: For program point L580(lines 580 586) no Hoare annotation was computed. [2020-10-25 23:06:05,164 INFO L270 CegarLoopResult]: At program point L580-1(lines 580 586) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~0 1) .cse1 .cse6 .cse7 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse6 .cse3 .cse7 .cse4 .cse5 .cse8))) [2020-10-25 23:06:05,164 INFO L270 CegarLoopResult]: At program point L349(lines 349 355) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 .cse5 .cse2 .cse6 .cse3 .cse4))) [2020-10-25 23:06:05,165 INFO L274 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-10-25 23:06:05,165 INFO L270 CegarLoopResult]: At program point L349-1(lines 349 355) the Hoare annotation is: false [2020-10-25 23:06:05,165 INFO L270 CegarLoopResult]: At program point L349-2(lines 349 355) the Hoare annotation is: false [2020-10-25 23:06:05,165 INFO L274 CegarLoopResult]: For program point L316-2(lines 316 322) no Hoare annotation was computed. [2020-10-25 23:06:05,165 INFO L274 CegarLoopResult]: For program point L316-4(lines 316 322) no Hoare annotation was computed. [2020-10-25 23:06:05,165 INFO L274 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-10-25 23:06:05,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:06:05,166 INFO L270 CegarLoopResult]: At program point L252(lines 248 254) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:06:05,166 INFO L270 CegarLoopResult]: At program point L186(lines 181 189) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)))) [2020-10-25 23:06:05,166 INFO L270 CegarLoopResult]: At program point L186-1(lines 181 189) the Hoare annotation is: false [2020-10-25 23:06:05,166 INFO L270 CegarLoopResult]: At program point L186-2(lines 181 189) the Hoare annotation is: false [2020-10-25 23:06:05,166 INFO L277 CegarLoopResult]: At program point L287(lines 268 290) the Hoare annotation is: true [2020-10-25 23:06:05,167 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,167 INFO L274 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,167 INFO L274 CegarLoopResult]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,167 INFO L274 CegarLoopResult]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,167 INFO L274 CegarLoopResult]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:06:05,167 INFO L274 CegarLoopResult]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,168 INFO L274 CegarLoopResult]: For program point L520-9(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,168 INFO L274 CegarLoopResult]: For program point L520-11(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,168 INFO L274 CegarLoopResult]: For program point L520-12(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,168 INFO L274 CegarLoopResult]: For program point L520-14(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,168 INFO L274 CegarLoopResult]: For program point L520-15(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,168 INFO L274 CegarLoopResult]: For program point L520-17(lines 520 524) no Hoare annotation was computed. [2020-10-25 23:06:05,168 INFO L274 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-10-25 23:06:05,169 INFO L274 CegarLoopResult]: For program point L985-1(line 985) no Hoare annotation was computed. [2020-10-25 23:06:05,169 INFO L274 CegarLoopResult]: For program point L985-2(line 985) no Hoare annotation was computed. [2020-10-25 23:06:05,169 INFO L274 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-10-25 23:06:05,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:06:05,169 INFO L274 CegarLoopResult]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2020-10-25 23:06:05,169 INFO L274 CegarLoopResult]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2020-10-25 23:06:05,169 INFO L274 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-10-25 23:06:05,170 INFO L270 CegarLoopResult]: At program point L526(lines 511 529) the Hoare annotation is: false [2020-10-25 23:06:05,170 INFO L270 CegarLoopResult]: At program point L526-1(lines 511 529) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse2 .cse3 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-10-25 23:06:05,170 INFO L270 CegarLoopResult]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2020-10-25 23:06:05,170 INFO L270 CegarLoopResult]: At program point L526-3(lines 511 529) the Hoare annotation is: false [2020-10-25 23:06:05,171 INFO L270 CegarLoopResult]: At program point L526-4(lines 511 529) the Hoare annotation is: false [2020-10-25 23:06:05,171 INFO L270 CegarLoopResult]: At program point L526-5(lines 511 529) the Hoare annotation is: false [2020-10-25 23:06:05,171 INFO L270 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2020-10-25 23:06:05,171 INFO L270 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-25 23:06:05,171 INFO L270 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-10-25 23:06:05,172 INFO L270 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2020-10-25 23:06:05,172 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:06:05,172 INFO L270 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2020-10-25 23:06:05,172 INFO L270 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2020-10-25 23:06:05,172 INFO L270 CegarLoopResult]: At program point L131-6(lines 126 134) the Hoare annotation is: false [2020-10-25 23:06:05,172 INFO L270 CegarLoopResult]: At program point L131-7(lines 126 134) the Hoare annotation is: false [2020-10-25 23:06:05,173 INFO L270 CegarLoopResult]: At program point L131-8(lines 126 134) the Hoare annotation is: false [2020-10-25 23:06:05,173 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:06:05,173 INFO L274 CegarLoopResult]: For program point L561(lines 560 605) no Hoare annotation was computed. [2020-10-25 23:06:05,173 INFO L270 CegarLoopResult]: At program point L462(lines 455 465) the Hoare annotation is: false [2020-10-25 23:06:05,173 INFO L270 CegarLoopResult]: At program point L462-1(lines 455 465) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-25 23:06:05,173 INFO L270 CegarLoopResult]: At program point L462-2(lines 455 465) the Hoare annotation is: false [2020-10-25 23:06:05,174 INFO L270 CegarLoopResult]: At program point L462-3(lines 455 465) the Hoare annotation is: false [2020-10-25 23:06:05,174 INFO L270 CegarLoopResult]: At program point L462-4(lines 455 465) the Hoare annotation is: false [2020-10-25 23:06:05,174 INFO L270 CegarLoopResult]: At program point L462-5(lines 455 465) the Hoare annotation is: false [2020-10-25 23:06:05,174 INFO L274 CegarLoopResult]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-10-25 23:06:05,174 INFO L270 CegarLoopResult]: At program point L67(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:06:05,174 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-10-25 23:06:05,175 INFO L274 CegarLoopResult]: For program point L596-2(lines 342 348) no Hoare annotation was computed. [2020-10-25 23:06:05,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:06:05 BoogieIcfgContainer [2020-10-25 23:06:05,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:06:05,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:06:05,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:06:05,213 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:06:05,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:50" (3/4) ... [2020-10-25 23:06:05,217 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:06:05,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:06:05,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:06:05,243 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:06:05,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:06:05,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:06:05,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:06:05,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:06:05,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:06:05,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:06:05,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:06:05,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-10-25 23:06:05,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-10-25 23:06:05,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-10-25 23:06:05,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-25 23:06:05,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-25 23:06:05,285 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-25 23:06:05,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-10-25 23:06:05,287 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-25 23:06:05,287 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 [2020-10-25 23:06:05,288 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-25 23:06:05,288 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-10-25 23:06:05,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-10-25 23:06:05,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-10-25 23:06:05,383 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:06:05,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:06:05,387 INFO L168 Benchmark]: Toolchain (without parser) took 16439.09 ms. Allocated memory was 44.0 MB in the beginning and 209.7 MB in the end (delta: 165.7 MB). Free memory was 20.2 MB in the beginning and 123.6 MB in the end (delta: -103.3 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:05,388 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory was 29.0 MB in the beginning and 29.0 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:06:05,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.52 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.7 MB in the beginning and 37.2 MB in the end (delta: -17.5 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:05,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.07 ms. Allocated memory is still 54.5 MB. Free memory was 37.2 MB in the beginning and 33.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:05,389 INFO L168 Benchmark]: Boogie Preprocessor took 83.11 ms. Allocated memory is still 54.5 MB. Free memory was 33.1 MB in the beginning and 30.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:05,389 INFO L168 Benchmark]: RCFGBuilder took 1242.46 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 19.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:05,390 INFO L168 Benchmark]: TraceAbstraction took 14212.92 ms. Allocated memory was 54.5 MB in the beginning and 209.7 MB in the end (delta: 155.2 MB). Free memory was 19.1 MB in the beginning and 136.1 MB in the end (delta: -117.1 MB). Peak memory consumption was 116.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:05,391 INFO L168 Benchmark]: Witness Printer took 170.61 ms. Allocated memory is still 209.7 MB. Free memory was 136.1 MB in the beginning and 123.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:06:05,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory was 29.0 MB in the beginning and 29.0 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 619.52 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.7 MB in the beginning and 37.2 MB in the end (delta: -17.5 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.07 ms. Allocated memory is still 54.5 MB. Free memory was 37.2 MB in the beginning and 33.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.11 ms. Allocated memory is still 54.5 MB. Free memory was 33.1 MB in the beginning and 30.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1242.46 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 19.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14212.92 ms. Allocated memory was 54.5 MB in the beginning and 209.7 MB in the end (delta: 155.2 MB). Free memory was 19.1 MB in the beginning and 136.1 MB in the end (delta: -117.1 MB). Peak memory consumption was 116.3 MB. Max. memory is 16.1 GB. * Witness Printer took 170.61 ms. Allocated memory is still 209.7 MB. Free memory was 136.1 MB in the beginning and 123.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 570]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1686 SDtfs, 2461 SDslu, 2572 SDs, 0 SdLazy, 362 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1587 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1028 HoareAnnotationTreeSize, 55 FomulaSimplifications, 3678299 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 55 FomulaSimplificationsInter, 952125 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 76731 SizeOfPredicates, 1 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 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...