./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product08.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_spec2_product08.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 a22bfa4730ddab21776840b89a04f286cc468614 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:42:11,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:11,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:11,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:11,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:11,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:11,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:11,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:11,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:11,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:11,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:11,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:11,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:11,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:11,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:11,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:11,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:11,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:11,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:11,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:11,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:11,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:11,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:11,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:11,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:11,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:11,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:11,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:11,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:11,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:11,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:11,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:11,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:11,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:11,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:11,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:11,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:11,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:11,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:11,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:11,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:11,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:11,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:11,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:11,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:11,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:11,305 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:11,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:11,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:11,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:11,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:11,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:11,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:11,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:11,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:11,307 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:11,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:11,308 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:11,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:11,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:11,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:11,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:11,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:11,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:11,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:11,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:11,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:11,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:11,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:11,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:11,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:11,310 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 -> a22bfa4730ddab21776840b89a04f286cc468614 [2020-10-20 01:42:11,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:11,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:11,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:11,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:11,550 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:11,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-10-20 01:42:11,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fcb2c6d/515543c393544002b04908878205985c/FLAGc54a0c03e [2020-10-20 01:42:12,184 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:12,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-10-20 01:42:12,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fcb2c6d/515543c393544002b04908878205985c/FLAGc54a0c03e [2020-10-20 01:42:12,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fcb2c6d/515543c393544002b04908878205985c [2020-10-20 01:42:12,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:12,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:12,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:12,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:12,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:12,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522c49da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12, skipping insertion in model container [2020-10-20 01:42:12,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:12,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:12,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:12,943 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:13,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:13,095 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:13,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13 WrapperNode [2020-10-20 01:42:13,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:13,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:13,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:13,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:13,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:13,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:13,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:13,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:13,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:13,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:13,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:13,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:13,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (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 01:42:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:14,232 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:14,232 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-10-20 01:42:14,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:14 BoogieIcfgContainer [2020-10-20 01:42:14,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:14,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:14,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:14,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:14,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:12" (1/3) ... [2020-10-20 01:42:14,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5716038c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:14, skipping insertion in model container [2020-10-20 01:42:14,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (2/3) ... [2020-10-20 01:42:14,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5716038c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:14, skipping insertion in model container [2020-10-20 01:42:14,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:14" (3/3) ... [2020-10-20 01:42:14,254 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-10-20 01:42:14,267 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:14,276 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:14,291 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:14,319 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:14,319 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:14,319 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:14,319 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:14,319 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:14,320 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:14,320 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:14,320 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-20 01:42:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:14,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:14,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:14,347 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:14,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:14,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1624271172, now seen corresponding path program 1 times [2020-10-20 01:42:14,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:14,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458353045] [2020-10-20 01:42:14,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:14,598 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 01:42:14,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458353045] [2020-10-20 01:42:14,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:14,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:14,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611612421] [2020-10-20 01:42:14,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:14,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:14,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:14,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:14,624 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-20 01:42:14,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:14,654 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-10-20 01:42:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:14,656 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:14,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,686 INFO L225 Difference]: With dead ends: 146 [2020-10-20 01:42:14,686 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:42:14,690 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 01:42:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:42:14,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 01:42:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:42:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-10-20 01:42:14,732 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-10-20 01:42:14,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:14,733 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-10-20 01:42:14,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-10-20 01:42:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:14,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:14,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:14,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:14,735 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:14,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:14,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1405435203, now seen corresponding path program 1 times [2020-10-20 01:42:14,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:14,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309151689] [2020-10-20 01:42:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:14,828 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 01:42:14,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309151689] [2020-10-20 01:42:14,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:14,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:14,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229037142] [2020-10-20 01:42:14,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:14,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:14,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:14,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:14,832 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-10-20 01:42:14,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:14,844 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-10-20 01:42:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:14,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,847 INFO L225 Difference]: With dead ends: 71 [2020-10-20 01:42:14,848 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 01:42:14,852 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 01:42:14,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 01:42:14,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 01:42:14,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 01:42:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-20 01:42:14,860 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-10-20 01:42:14,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:14,861 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-20 01:42:14,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:14,861 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-20 01:42:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:14,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:14,863 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 01:42:14,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:14,864 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:14,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2020-10-20 01:42:14,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:14,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949448823] [2020-10-20 01:42:14,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:14,960 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 01:42:14,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949448823] [2020-10-20 01:42:14,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:14,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:14,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143139660] [2020-10-20 01:42:14,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:14,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:14,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:14,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:14,963 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-10-20 01:42:14,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:14,997 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-10-20 01:42:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:14,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:42:14,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,999 INFO L225 Difference]: With dead ends: 91 [2020-10-20 01:42:14,999 INFO L226 Difference]: Without dead ends: 63 [2020-10-20 01:42:15,000 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 01:42:15,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-20 01:42:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2020-10-20 01:42:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-20 01:42:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2020-10-20 01:42:15,010 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2020-10-20 01:42:15,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:15,011 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2020-10-20 01:42:15,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:15,011 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-10-20 01:42:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:42:15,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:15,012 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 01:42:15,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:15,013 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:15,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:15,013 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2020-10-20 01:42:15,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:15,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864077162] [2020-10-20 01:42:15,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:15,093 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 01:42:15,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864077162] [2020-10-20 01:42:15,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:15,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:15,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350638543] [2020-10-20 01:42:15,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:15,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:15,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:15,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:15,096 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2020-10-20 01:42:15,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:15,237 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2020-10-20 01:42:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:15,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:42:15,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:15,241 INFO L225 Difference]: With dead ends: 265 [2020-10-20 01:42:15,241 INFO L226 Difference]: Without dead ends: 213 [2020-10-20 01:42:15,242 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 01:42:15,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-20 01:42:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2020-10-20 01:42:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-20 01:42:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2020-10-20 01:42:15,259 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2020-10-20 01:42:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:15,260 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2020-10-20 01:42:15,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2020-10-20 01:42:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:15,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:15,262 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] [2020-10-20 01:42:15,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:15,262 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:15,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:15,262 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2020-10-20 01:42:15,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:15,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197205470] [2020-10-20 01:42:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:15,386 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 01:42:15,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197205470] [2020-10-20 01:42:15,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:15,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:15,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606491913] [2020-10-20 01:42:15,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:15,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:15,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:15,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:15,389 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2020-10-20 01:42:15,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:15,466 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2020-10-20 01:42:15,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:15,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:15,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:15,467 INFO L225 Difference]: With dead ends: 299 [2020-10-20 01:42:15,467 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:15,469 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 01:42:15,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:15,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:15,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-20 01:42:15,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:15,470 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:15,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:15,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:15,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:15,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:15,716 INFO L270 CegarLoopResult]: At program point L762(lines 761 780) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,716 INFO L274 CegarLoopResult]: For program point L762-1(lines 762 768) no Hoare annotation was computed. [2020-10-20 01:42:15,716 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,716 INFO L274 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-10-20 01:42:15,717 INFO L270 CegarLoopResult]: At program point L762-2(lines 761 780) the Hoare annotation is: false [2020-10-20 01:42:15,717 INFO L270 CegarLoopResult]: At program point L762-3(lines 761 780) the Hoare annotation is: false [2020-10-20 01:42:15,717 INFO L274 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-10-20 01:42:15,717 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,717 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,717 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,717 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,718 INFO L274 CegarLoopResult]: For program point L664(lines 664 674) no Hoare annotation was computed. [2020-10-20 01:42:15,718 INFO L274 CegarLoopResult]: For program point L664-2(lines 664 674) no Hoare annotation was computed. [2020-10-20 01:42:15,718 INFO L274 CegarLoopResult]: For program point L664-4(lines 664 674) no Hoare annotation was computed. [2020-10-20 01:42:15,718 INFO L274 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-10-20 01:42:15,718 INFO L270 CegarLoopResult]: At program point L714-1(lines 714 720) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,718 INFO L274 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-10-20 01:42:15,718 INFO L274 CegarLoopResult]: For program point L665-2(lines 665 671) no Hoare annotation was computed. [2020-10-20 01:42:15,719 INFO L274 CegarLoopResult]: For program point L665-4(lines 665 671) no Hoare annotation was computed. [2020-10-20 01:42:15,719 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-20 01:42:15,719 INFO L270 CegarLoopResult]: At program point L847(lines 842 850) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,720 INFO L270 CegarLoopResult]: At program point L847-1(lines 842 850) the Hoare annotation is: false [2020-10-20 01:42:15,720 INFO L270 CegarLoopResult]: At program point L847-2(lines 842 850) the Hoare annotation is: false [2020-10-20 01:42:15,721 INFO L270 CegarLoopResult]: At program point L649(lines 644 651) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,721 INFO L274 CegarLoopResult]: For program point L798(lines 798 806) no Hoare annotation was computed. [2020-10-20 01:42:15,721 INFO L274 CegarLoopResult]: For program point L798-1(lines 798 806) no Hoare annotation was computed. [2020-10-20 01:42:15,721 INFO L274 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-10-20 01:42:15,721 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 806) no Hoare annotation was computed. [2020-10-20 01:42:15,722 INFO L270 CegarLoopResult]: At program point L732-1(lines 762 768) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,722 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-20 01:42:15,722 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,723 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-10-20 01:42:15,723 INFO L274 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-10-20 01:42:15,723 INFO L274 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-10-20 01:42:15,723 INFO L274 CegarLoopResult]: For program point L602-2(line 602) no Hoare annotation was computed. [2020-10-20 01:42:15,723 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,724 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-20 01:42:15,724 INFO L274 CegarLoopResult]: For program point L58-1(lines 762 768) no Hoare annotation was computed. [2020-10-20 01:42:15,724 INFO L270 CegarLoopResult]: At program point L769(lines 769 775) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,724 INFO L270 CegarLoopResult]: At program point L769-1(lines 769 775) the Hoare annotation is: false [2020-10-20 01:42:15,725 INFO L270 CegarLoopResult]: At program point L769-2(lines 769 775) the Hoare annotation is: false [2020-10-20 01:42:15,725 INFO L270 CegarLoopResult]: At program point L637(lines 632 640) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,725 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,725 INFO L274 CegarLoopResult]: For program point L704(lines 704 710) no Hoare annotation was computed. [2020-10-20 01:42:15,726 INFO L270 CegarLoopResult]: At program point L704-1(lines 704 710) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,726 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-10-20 01:42:15,726 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,726 INFO L274 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-10-20 01:42:15,727 INFO L274 CegarLoopResult]: For program point L524-3(lines 524 528) no Hoare annotation was computed. [2020-10-20 01:42:15,727 INFO L270 CegarLoopResult]: At program point L838(lines 831 841) the Hoare annotation is: false [2020-10-20 01:42:15,727 INFO L274 CegarLoopResult]: For program point L524-6(lines 524 528) no Hoare annotation was computed. [2020-10-20 01:42:15,727 INFO L270 CegarLoopResult]: At program point L838-1(lines 831 841) the Hoare annotation is: false [2020-10-20 01:42:15,728 INFO L270 CegarLoopResult]: At program point L838-2(lines 831 841) the Hoare annotation is: false [2020-10-20 01:42:15,728 INFO L274 CegarLoopResult]: For program point L724(lines 724 739) no Hoare annotation was computed. [2020-10-20 01:42:15,728 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,728 INFO L274 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-10-20 01:42:15,728 INFO L270 CegarLoopResult]: At program point L891-1(lines 891 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,729 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,729 INFO L274 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-10-20 01:42:15,729 INFO L270 CegarLoopResult]: At program point L660-1(lines 1 909) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,729 INFO L274 CegarLoopResult]: For program point L660-2(lines 660 677) no Hoare annotation was computed. [2020-10-20 01:42:15,730 INFO L270 CegarLoopResult]: At program point L561(lines 556 564) the Hoare annotation is: false [2020-10-20 01:42:15,730 INFO L270 CegarLoopResult]: At program point L660-3(lines 1 909) the Hoare annotation is: false [2020-10-20 01:42:15,730 INFO L270 CegarLoopResult]: At program point L561-1(lines 556 564) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,730 INFO L274 CegarLoopResult]: For program point L660-4(lines 660 677) no Hoare annotation was computed. [2020-10-20 01:42:15,730 INFO L270 CegarLoopResult]: At program point L561-2(lines 556 564) the Hoare annotation is: false [2020-10-20 01:42:15,731 INFO L270 CegarLoopResult]: At program point L660-5(lines 1 909) the Hoare annotation is: false [2020-10-20 01:42:15,731 INFO L270 CegarLoopResult]: At program point L561-3(lines 556 564) the Hoare annotation is: false [2020-10-20 01:42:15,731 INFO L270 CegarLoopResult]: At program point L561-4(lines 556 564) the Hoare annotation is: false [2020-10-20 01:42:15,731 INFO L270 CegarLoopResult]: At program point L561-5(lines 556 564) the Hoare annotation is: false [2020-10-20 01:42:15,732 INFO L270 CegarLoopResult]: At program point L744(lines 693 745) the Hoare annotation is: false [2020-10-20 01:42:15,732 INFO L274 CegarLoopResult]: For program point L794(lines 794 811) no Hoare annotation was computed. [2020-10-20 01:42:15,732 INFO L274 CegarLoopResult]: For program point L794-1(lines 794 811) no Hoare annotation was computed. [2020-10-20 01:42:15,732 INFO L274 CegarLoopResult]: For program point L794-2(lines 794 811) no Hoare annotation was computed. [2020-10-20 01:42:15,733 INFO L274 CegarLoopResult]: For program point L695(lines 694 743) no Hoare annotation was computed. [2020-10-20 01:42:15,733 INFO L270 CegarLoopResult]: At program point L629(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,733 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-10-20 01:42:15,733 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-10-20 01:42:15,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:15 BoogieIcfgContainer [2020-10-20 01:42:15,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:15,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:15,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:15,755 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:15,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:14" (3/4) ... [2020-10-20 01:42:15,760 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:15,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:15,777 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:15,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:15,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:15,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:15,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:15,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:15,824 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:15,883 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:15,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:15,886 INFO L168 Benchmark]: Toolchain (without parser) took 3360.38 ms. Allocated memory was 40.4 MB in the beginning and 58.7 MB in the end (delta: 18.4 MB). Free memory was 17.6 MB in the beginning and 31.8 MB in the end (delta: -14.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,887 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.40 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.6 MB in the beginning and 20.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.36 ms. Allocated memory is still 43.0 MB. Free memory was 20.4 MB in the beginning and 17.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,888 INFO L168 Benchmark]: Boogie Preprocessor took 55.70 ms. Allocated memory is still 43.0 MB. Free memory was 17.1 MB in the beginning and 14.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,889 INFO L168 Benchmark]: RCFGBuilder took 1004.71 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 14.8 MB in the beginning and 12.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,889 INFO L168 Benchmark]: TraceAbstraction took 1518.72 ms. Allocated memory was 45.6 MB in the beginning and 55.1 MB in the end (delta: 9.4 MB). Free memory was 11.9 MB in the beginning and 11.8 MB in the end (delta: 38.0 kB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,890 INFO L168 Benchmark]: Witness Printer took 129.50 ms. Allocated memory was 55.1 MB in the beginning and 58.7 MB in the end (delta: 3.7 MB). Free memory was 11.8 MB in the beginning and 31.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 565.40 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.6 MB in the beginning and 20.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 76.36 ms. Allocated memory is still 43.0 MB. Free memory was 20.4 MB in the beginning and 17.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 55.70 ms. Allocated memory is still 43.0 MB. Free memory was 17.1 MB in the beginning and 14.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1004.71 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 14.8 MB in the beginning and 12.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1518.72 ms. Allocated memory was 45.6 MB in the beginning and 55.1 MB in the end (delta: 9.4 MB). Free memory was 11.9 MB in the beginning and 11.8 MB in the end (delta: 38.0 kB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. * Witness Printer took 129.50 ms. Allocated memory was 55.1 MB in the beginning and 58.7 MB in the end (delta: 3.7 MB). Free memory was 11.8 MB in the beginning and 31.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 1.6 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: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 306 SDslu, 327 SDs, 0 SdLazy, 65 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=103occurred in iteration=4, 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, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...