./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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_spec1_product22.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 20892c88f0ca6c150ca3aad2ee45b915645ec1b7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:41:28,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:28,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:28,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:28,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:28,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:28,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:28,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:28,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:28,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:28,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:28,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:28,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:28,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:28,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:28,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:28,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:28,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:28,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:28,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:28,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:28,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:28,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:28,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:28,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:28,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:28,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:28,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:28,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:28,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:28,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:28,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:28,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:28,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:28,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:28,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:28,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:28,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:28,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:28,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:28,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:28,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:28,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:28,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:28,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:28,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:28,213 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:28,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:28,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:28,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:28,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:28,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:28,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:28,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:28,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:28,215 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:28,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:28,215 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:28,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:28,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:28,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:28,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:28,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:28,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:28,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:28,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:28,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:28,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:28,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:28,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:28,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:28,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 20892c88f0ca6c150ca3aad2ee45b915645ec1b7 [2020-10-20 01:41:28,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:28,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:28,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:28,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:28,462 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:28,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2020-10-20 01:41:28,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6124e39f1/73f5224e233d44208e67b3635d374254/FLAG7aced8844 [2020-10-20 01:41:29,099 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:29,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2020-10-20 01:41:29,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6124e39f1/73f5224e233d44208e67b3635d374254/FLAG7aced8844 [2020-10-20 01:41:29,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6124e39f1/73f5224e233d44208e67b3635d374254 [2020-10-20 01:41:29,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:29,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:29,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:29,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:29,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:29,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:29" (1/1) ... [2020-10-20 01:41:29,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2936de78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:29, skipping insertion in model container [2020-10-20 01:41:29,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:29" (1/1) ... [2020-10-20 01:41:29,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:29,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:29,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:29,958 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:30,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:30,081 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:30,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30 WrapperNode [2020-10-20 01:41:30,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:30,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:30,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:30,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:30,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:30,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:30,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:30,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:30,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:30,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:30,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:30,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:30,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (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 [2020-10-20 01:41:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:30,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:31,205 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:31,205 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-10-20 01:41:31,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:31 BoogieIcfgContainer [2020-10-20 01:41:31,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:31,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:31,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:31,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:31,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:29" (1/3) ... [2020-10-20 01:41:31,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffade70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:31, skipping insertion in model container [2020-10-20 01:41:31,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (2/3) ... [2020-10-20 01:41:31,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffade70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:31, skipping insertion in model container [2020-10-20 01:41:31,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:31" (3/3) ... [2020-10-20 01:41:31,221 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2020-10-20 01:41:31,234 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:31,243 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:31,259 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:31,286 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:31,286 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:31,287 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:31,287 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:31,287 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:31,287 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:31,287 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:31,288 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-20 01:41:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:31,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:31,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:31,312 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:31,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:31,317 INFO L82 PathProgramCache]: Analyzing trace with hash -113250139, now seen corresponding path program 1 times [2020-10-20 01:41:31,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:31,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214889335] [2020-10-20 01:41:31,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:31,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214889335] [2020-10-20 01:41:31,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:31,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:31,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071842249] [2020-10-20 01:41:31,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:31,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:31,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:31,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:31,679 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-10-20 01:41:31,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:31,722 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-20 01:41:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:31,724 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:31,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:31,735 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:41:31,735 INFO L226 Difference]: Without dead ends: 101 [2020-10-20 01:41:31,739 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 [2020-10-20 01:41:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-20 01:41:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-20 01:41:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-20 01:41:31,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-10-20 01:41:31,786 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-10-20 01:41:31,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:31,787 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-10-20 01:41:31,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:31,787 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-10-20 01:41:31,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:31,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:31,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:31,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:31,789 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:31,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:31,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1160007036, now seen corresponding path program 1 times [2020-10-20 01:41:31,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:31,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078342274] [2020-10-20 01:41:31,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:31,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078342274] [2020-10-20 01:41:31,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:31,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:31,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838959436] [2020-10-20 01:41:31,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:31,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:31,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:31,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:31,916 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-10-20 01:41:31,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:31,944 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-10-20 01:41:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:31,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:31,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:31,948 INFO L225 Difference]: With dead ends: 101 [2020-10-20 01:41:31,948 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:41:31,950 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 [2020-10-20 01:41:31,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:41:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:41:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:41:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-10-20 01:41:31,962 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-10-20 01:41:31,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:31,964 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-10-20 01:41:31,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-10-20 01:41:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:31,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:31,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:31,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:31,966 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:31,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:31,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2020-10-20 01:41:31,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:31,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939148885] [2020-10-20 01:41:31,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:32,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939148885] [2020-10-20 01:41:32,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:32,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:32,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947946505] [2020-10-20 01:41:32,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:32,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:32,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:32,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:32,085 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2020-10-20 01:41:32,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:32,115 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-10-20 01:41:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:32,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:41:32,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:32,117 INFO L225 Difference]: With dead ends: 80 [2020-10-20 01:41:32,117 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:41:32,118 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 [2020-10-20 01:41:32,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:41:32,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:41:32,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:41:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-10-20 01:41:32,126 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-10-20 01:41:32,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:32,127 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-10-20 01:41:32,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-10-20 01:41:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:32,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:32,128 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] [2020-10-20 01:41:32,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:32,129 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:32,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:32,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2020-10-20 01:41:32,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:32,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265970382] [2020-10-20 01:41:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:32,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265970382] [2020-10-20 01:41:32,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:32,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:32,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465760297] [2020-10-20 01:41:32,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:32,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:32,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:32,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:32,264 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-10-20 01:41:32,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:32,423 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2020-10-20 01:41:32,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:32,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:41:32,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:32,430 INFO L225 Difference]: With dead ends: 204 [2020-10-20 01:41:32,431 INFO L226 Difference]: Without dead ends: 167 [2020-10-20 01:41:32,431 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 [2020-10-20 01:41:32,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-20 01:41:32,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2020-10-20 01:41:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-20 01:41:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2020-10-20 01:41:32,456 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2020-10-20 01:41:32,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:32,457 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2020-10-20 01:41:32,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-10-20 01:41:32,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:41:32,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:32,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:32,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:32,461 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:32,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:32,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1843821250, now seen corresponding path program 1 times [2020-10-20 01:41:32,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:32,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678682743] [2020-10-20 01:41:32,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:32,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678682743] [2020-10-20 01:41:32,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:32,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:32,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103166995] [2020-10-20 01:41:32,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:32,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:32,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:32,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:32,612 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2020-10-20 01:41:32,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:32,673 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2020-10-20 01:41:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:32,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:41:32,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:32,675 INFO L225 Difference]: With dead ends: 174 [2020-10-20 01:41:32,675 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:32,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:41:32,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:32,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:32,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-20 01:41:32,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:32,678 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:32,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:32,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:32,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:32,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:32,934 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:32,934 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:32,934 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:32,935 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:32,935 INFO L270 CegarLoopResult]: At program point L632(lines 627 635) the Hoare annotation is: false [2020-10-20 01:41:32,935 INFO L270 CegarLoopResult]: At program point L632-1(lines 627 635) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:32,935 INFO L270 CegarLoopResult]: At program point L632-2(lines 627 635) the Hoare annotation is: false [2020-10-20 01:41:32,936 INFO L270 CegarLoopResult]: At program point L632-3(lines 627 635) the Hoare annotation is: false [2020-10-20 01:41:32,936 INFO L270 CegarLoopResult]: At program point L632-4(lines 627 635) the Hoare annotation is: false [2020-10-20 01:41:32,936 INFO L270 CegarLoopResult]: At program point L632-5(lines 627 635) the Hoare annotation is: false [2020-10-20 01:41:32,936 INFO L274 CegarLoopResult]: For program point L897(lines 897 903) no Hoare annotation was computed. [2020-10-20 01:41:32,936 INFO L270 CegarLoopResult]: At program point L897-1(lines 897 903) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:32,936 INFO L270 CegarLoopResult]: At program point L799(lines 794 802) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:32,937 INFO L270 CegarLoopResult]: At program point L799-1(lines 794 802) the Hoare annotation is: false [2020-10-20 01:41:32,937 INFO L270 CegarLoopResult]: At program point L799-2(lines 794 802) the Hoare annotation is: false [2020-10-20 01:41:32,937 INFO L277 CegarLoopResult]: At program point L205(lines 186 208) the Hoare annotation is: true [2020-10-20 01:41:32,938 INFO L270 CegarLoopResult]: At program point L172(lines 168 174) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:32,938 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:32,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:32,939 INFO L270 CegarLoopResult]: At program point L673(lines 668 676) the Hoare annotation is: false [2020-10-20 01:41:32,939 INFO L270 CegarLoopResult]: At program point L673-1(lines 668 676) the Hoare annotation is: false [2020-10-20 01:41:32,939 INFO L274 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-10-20 01:41:32,939 INFO L270 CegarLoopResult]: At program point L673-2(lines 668 676) the Hoare annotation is: false [2020-10-20 01:41:32,940 INFO L270 CegarLoopResult]: At program point L673-3(lines 668 676) the Hoare annotation is: false [2020-10-20 01:41:32,940 INFO L270 CegarLoopResult]: At program point L673-4(lines 668 676) the Hoare annotation is: false [2020-10-20 01:41:32,940 INFO L270 CegarLoopResult]: At program point L673-5(lines 668 676) the Hoare annotation is: false [2020-10-20 01:41:32,940 INFO L274 CegarLoopResult]: For program point L907(lines 907 920) no Hoare annotation was computed. [2020-10-20 01:41:32,941 INFO L274 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-20 01:41:32,941 INFO L274 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-10-20 01:41:32,941 INFO L274 CegarLoopResult]: For program point L580-2(line 580) no Hoare annotation was computed. [2020-10-20 01:41:32,941 INFO L274 CegarLoopResult]: For program point L878(lines 877 924) no Hoare annotation was computed. [2020-10-20 01:41:32,941 INFO L274 CegarLoopResult]: For program point L746(lines 746 763) no Hoare annotation was computed. [2020-10-20 01:41:32,942 INFO L274 CegarLoopResult]: For program point L746-1(lines 746 763) no Hoare annotation was computed. [2020-10-20 01:41:32,942 INFO L274 CegarLoopResult]: For program point L746-2(lines 746 763) no Hoare annotation was computed. [2020-10-20 01:41:32,942 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:32,942 INFO L274 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2020-10-20 01:41:32,943 INFO L270 CegarLoopResult]: At program point L121-2(lines 121 135) the Hoare annotation is: false [2020-10-20 01:41:32,943 INFO L274 CegarLoopResult]: For program point L848(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,943 INFO L274 CegarLoopResult]: For program point L848-2(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,943 INFO L274 CegarLoopResult]: For program point L848-3(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,943 INFO L274 CegarLoopResult]: For program point L848-5(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,944 INFO L274 CegarLoopResult]: For program point L848-6(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,944 INFO L274 CegarLoopResult]: For program point L848-8(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,944 INFO L274 CegarLoopResult]: For program point L848-9(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,944 INFO L274 CegarLoopResult]: For program point L848-11(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,944 INFO L274 CegarLoopResult]: For program point L848-12(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,945 INFO L274 CegarLoopResult]: For program point L848-14(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,945 INFO L274 CegarLoopResult]: For program point L848-15(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,945 INFO L274 CegarLoopResult]: For program point L848-17(lines 848 852) no Hoare annotation was computed. [2020-10-20 01:41:32,945 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-20 01:41:32,945 INFO L274 CegarLoopResult]: For program point L915(lines 915 919) no Hoare annotation was computed. [2020-10-20 01:41:32,946 INFO L270 CegarLoopResult]: At program point L915-2(lines 688 694) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:32,946 INFO L274 CegarLoopResult]: For program point L750(lines 750 758) no Hoare annotation was computed. [2020-10-20 01:41:32,946 INFO L274 CegarLoopResult]: For program point L750-1(lines 750 758) no Hoare annotation was computed. [2020-10-20 01:41:32,946 INFO L274 CegarLoopResult]: For program point L750-2(lines 750 758) no Hoare annotation was computed. [2020-10-20 01:41:32,947 INFO L274 CegarLoopResult]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-10-20 01:41:32,947 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:32,947 INFO L274 CegarLoopResult]: For program point L91(lines 91 104) no Hoare annotation was computed. [2020-10-20 01:41:32,947 INFO L270 CegarLoopResult]: At program point L91-1(lines 1 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:32,948 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 104) no Hoare annotation was computed. [2020-10-20 01:41:32,948 INFO L270 CegarLoopResult]: At program point L91-3(lines 1 932) the Hoare annotation is: false [2020-10-20 01:41:32,948 INFO L274 CegarLoopResult]: For program point L91-4(lines 91 104) no Hoare annotation was computed. [2020-10-20 01:41:32,948 INFO L270 CegarLoopResult]: At program point L91-5(lines 1 932) the Hoare annotation is: false [2020-10-20 01:41:32,948 INFO L274 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-10-20 01:41:32,949 INFO L274 CegarLoopResult]: For program point L125-1(lines 688 694) no Hoare annotation was computed. [2020-10-20 01:41:32,949 INFO L274 CegarLoopResult]: For program point L720(lines 720 737) no Hoare annotation was computed. [2020-10-20 01:41:32,949 INFO L274 CegarLoopResult]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2020-10-20 01:41:32,949 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2020-10-20 01:41:32,949 INFO L274 CegarLoopResult]: For program point L720-3(lines 720 737) no Hoare annotation was computed. [2020-10-20 01:41:32,949 INFO L274 CegarLoopResult]: For program point L720-4(lines 720 737) no Hoare annotation was computed. [2020-10-20 01:41:32,950 INFO L274 CegarLoopResult]: For program point L720-5(lines 720 737) no Hoare annotation was computed. [2020-10-20 01:41:32,950 INFO L270 CegarLoopResult]: At program point L688(lines 687 706) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:32,950 INFO L274 CegarLoopResult]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2020-10-20 01:41:32,950 INFO L270 CegarLoopResult]: At program point L688-2(lines 687 706) the Hoare annotation is: false [2020-10-20 01:41:32,951 INFO L270 CegarLoopResult]: At program point L688-3(lines 687 706) the Hoare annotation is: false [2020-10-20 01:41:32,951 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:32,951 INFO L274 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-10-20 01:41:32,951 INFO L270 CegarLoopResult]: At program point L887-1(lines 887 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:32,951 INFO L270 CegarLoopResult]: At program point L854(lines 839 857) the Hoare annotation is: false [2020-10-20 01:41:32,952 INFO L270 CegarLoopResult]: At program point L854-1(lines 839 857) the Hoare annotation is: false [2020-10-20 01:41:32,952 INFO L270 CegarLoopResult]: At program point L854-2(lines 839 857) the Hoare annotation is: false [2020-10-20 01:41:32,952 INFO L270 CegarLoopResult]: At program point L854-3(lines 839 857) the Hoare annotation is: false [2020-10-20 01:41:32,952 INFO L270 CegarLoopResult]: At program point L854-4(lines 839 857) the Hoare annotation is: false [2020-10-20 01:41:32,952 INFO L270 CegarLoopResult]: At program point L854-5(lines 839 857) the Hoare annotation is: false [2020-10-20 01:41:32,952 INFO L274 CegarLoopResult]: For program point L95(lines 95 101) no Hoare annotation was computed. [2020-10-20 01:41:32,953 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 101) no Hoare annotation was computed. [2020-10-20 01:41:32,953 INFO L274 CegarLoopResult]: For program point L95-4(lines 95 101) no Hoare annotation was computed. [2020-10-20 01:41:32,953 INFO L270 CegarLoopResult]: At program point L790(lines 783 793) the Hoare annotation is: false [2020-10-20 01:41:32,953 INFO L270 CegarLoopResult]: At program point L790-1(lines 783 793) the Hoare annotation is: false [2020-10-20 01:41:32,953 INFO L274 CegarLoopResult]: For program point L724(lines 724 732) no Hoare annotation was computed. [2020-10-20 01:41:32,954 INFO L270 CegarLoopResult]: At program point L790-2(lines 783 793) the Hoare annotation is: false [2020-10-20 01:41:32,954 INFO L274 CegarLoopResult]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2020-10-20 01:41:32,954 INFO L274 CegarLoopResult]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2020-10-20 01:41:32,954 INFO L274 CegarLoopResult]: For program point L724-3(lines 724 732) no Hoare annotation was computed. [2020-10-20 01:41:32,954 INFO L274 CegarLoopResult]: For program point L724-4(lines 724 732) no Hoare annotation was computed. [2020-10-20 01:41:32,955 INFO L274 CegarLoopResult]: For program point L724-5(lines 724 732) no Hoare annotation was computed. [2020-10-20 01:41:32,955 INFO L274 CegarLoopResult]: For program point L196(lines 196 203) no Hoare annotation was computed. [2020-10-20 01:41:32,955 INFO L277 CegarLoopResult]: At program point L196-1(lines 196 203) the Hoare annotation is: true [2020-10-20 01:41:32,955 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:32,956 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:32,956 INFO L270 CegarLoopResult]: At program point L925(lines 876 926) the Hoare annotation is: false [2020-10-20 01:41:32,956 INFO L274 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-10-20 01:41:32,956 INFO L274 CegarLoopResult]: For program point L595-3(lines 595 599) no Hoare annotation was computed. [2020-10-20 01:41:32,956 INFO L274 CegarLoopResult]: For program point L595-6(lines 595 599) no Hoare annotation was computed. [2020-10-20 01:41:32,957 INFO L270 CegarLoopResult]: At program point L67(lines 1 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:32,957 INFO L270 CegarLoopResult]: At program point L695(lines 695 701) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:32,957 INFO L270 CegarLoopResult]: At program point L695-1(lines 695 701) the Hoare annotation is: false [2020-10-20 01:41:32,957 INFO L270 CegarLoopResult]: At program point L695-2(lines 695 701) the Hoare annotation is: false [2020-10-20 01:41:32,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:32 BoogieIcfgContainer [2020-10-20 01:41:32,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:32,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:32,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:32,982 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:32,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:31" (3/4) ... [2020-10-20 01:41:32,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:33,008 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:33,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:33,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:33,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:33,013 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:33,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:33,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:33,053 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:33,166 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:33,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:33,170 INFO L168 Benchmark]: Toolchain (without parser) took 3749.92 ms. Allocated memory was 41.4 MB in the beginning and 57.1 MB in the end (delta: 15.7 MB). Free memory was 19.3 MB in the beginning and 16.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,170 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 31.5 MB. Free memory was 8.8 MB in the beginning and 8.7 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.59 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 18.4 MB in the beginning and 21.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.17 ms. Allocated memory is still 43.5 MB. Free memory was 21.7 MB in the beginning and 17.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,172 INFO L168 Benchmark]: Boogie Preprocessor took 47.49 ms. Allocated memory is still 43.5 MB. Free memory was 17.9 MB in the beginning and 15.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,173 INFO L168 Benchmark]: RCFGBuilder took 987.46 ms. Allocated memory was 43.5 MB in the beginning and 48.2 MB in the end (delta: 4.7 MB). Free memory was 15.0 MB in the beginning and 24.8 MB in the end (delta: -9.8 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,176 INFO L168 Benchmark]: TraceAbstraction took 1769.29 ms. Allocated memory was 48.2 MB in the beginning and 57.1 MB in the end (delta: 8.9 MB). Free memory was 24.5 MB in the beginning and 28.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,177 INFO L168 Benchmark]: Witness Printer took 185.05 ms. Allocated memory is still 57.1 MB. Free memory was 28.9 MB in the beginning and 16.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 31.5 MB. Free memory was 8.8 MB in the beginning and 8.7 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 657.59 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 18.4 MB in the beginning and 21.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 91.17 ms. Allocated memory is still 43.5 MB. Free memory was 21.7 MB in the beginning and 17.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 47.49 ms. Allocated memory is still 43.5 MB. Free memory was 17.9 MB in the beginning and 15.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 987.46 ms. Allocated memory was 43.5 MB in the beginning and 48.2 MB in the end (delta: 4.7 MB). Free memory was 15.0 MB in the beginning and 24.8 MB in the end (delta: -9.8 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1769.29 ms. Allocated memory was 48.2 MB in the beginning and 57.1 MB in the end (delta: 8.9 MB). Free memory was 24.5 MB in the beginning and 28.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 14.3 GB. * Witness Printer took 185.05 ms. Allocated memory is still 57.1 MB. Free memory was 28.9 MB in the beginning and 16.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 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: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 404 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 84 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1306 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...