./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_spec4_product28.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 be998c7f0ff858151615865f07914b789231e9b9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:44:03,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:03,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:03,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:03,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:03,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:03,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:03,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:03,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:03,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:03,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:03,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:03,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:03,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:03,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:03,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:03,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:03,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:03,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:03,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:03,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:03,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:03,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:03,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:03,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:03,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:03,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:03,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:03,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:03,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:03,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:03,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:03,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:03,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:03,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:03,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:03,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:03,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:03,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:03,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:03,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:03,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:03,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:03,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:03,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:03,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:03,379 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:03,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:03,380 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:03,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:03,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:03,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:03,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:03,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:03,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:03,381 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:03,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:03,381 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:03,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:03,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:03,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:03,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:03,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:03,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:03,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:03,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:03,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:03,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:03,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:03,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:03,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:03,384 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 -> be998c7f0ff858151615865f07914b789231e9b9 [2020-10-20 01:44:03,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:03,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:03,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:03,634 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:03,635 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:03,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-10-20 01:44:03,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dad41e6e2/c6518d3db1d247fb82ed521ea97be07c/FLAG0a0f7d6f3 [2020-10-20 01:44:04,211 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:04,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-10-20 01:44:04,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dad41e6e2/c6518d3db1d247fb82ed521ea97be07c/FLAG0a0f7d6f3 [2020-10-20 01:44:04,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dad41e6e2/c6518d3db1d247fb82ed521ea97be07c [2020-10-20 01:44:04,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:04,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:04,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:04,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:04,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:04,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:04,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6fd15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:04, skipping insertion in model container [2020-10-20 01:44:04,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:04" (1/1) ... [2020-10-20 01:44:04,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:04,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:05,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:05,066 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:05,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:05,239 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:05,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05 WrapperNode [2020-10-20 01:44:05,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:05,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:05,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:05,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:05,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:05,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:05,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:05,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:05,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:05,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:05,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:05,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:05,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (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 01:44:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:06,358 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:06,358 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-10-20 01:44:06,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:06 BoogieIcfgContainer [2020-10-20 01:44:06,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:06,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:06,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:06,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:06,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:04" (1/3) ... [2020-10-20 01:44:06,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bc47c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:06, skipping insertion in model container [2020-10-20 01:44:06,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05" (2/3) ... [2020-10-20 01:44:06,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bc47c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:06, skipping insertion in model container [2020-10-20 01:44:06,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:06" (3/3) ... [2020-10-20 01:44:06,370 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-10-20 01:44:06,382 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:06,389 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:06,400 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:06,423 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:06,423 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:06,423 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:06,423 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:06,424 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:06,424 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:06,424 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:06,424 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-10-20 01:44:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:06,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:06,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:06,458 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:06,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:06,464 INFO L82 PathProgramCache]: Analyzing trace with hash 944324404, now seen corresponding path program 1 times [2020-10-20 01:44:06,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:06,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029230977] [2020-10-20 01:44:06,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:06,777 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 01:44:06,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029230977] [2020-10-20 01:44:06,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:06,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:06,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953126037] [2020-10-20 01:44:06,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:06,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:06,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:06,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:06,808 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-10-20 01:44:06,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:06,859 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-10-20 01:44:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:06,860 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:06,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:06,880 INFO L225 Difference]: With dead ends: 151 [2020-10-20 01:44:06,880 INFO L226 Difference]: Without dead ends: 73 [2020-10-20 01:44:06,886 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 01:44:06,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-20 01:44:06,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-20 01:44:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-20 01:44:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-10-20 01:44:06,958 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-10-20 01:44:06,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:06,959 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-10-20 01:44:06,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-10-20 01:44:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:06,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:06,975 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 01:44:06,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:06,975 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:06,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:06,976 INFO L82 PathProgramCache]: Analyzing trace with hash -102432493, now seen corresponding path program 1 times [2020-10-20 01:44:06,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:06,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443510017] [2020-10-20 01:44:06,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:07,140 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 01:44:07,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443510017] [2020-10-20 01:44:07,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:07,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:07,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861978413] [2020-10-20 01:44:07,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:07,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:07,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:07,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:07,146 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-10-20 01:44:07,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:07,161 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-10-20 01:44:07,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:07,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:07,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:07,165 INFO L225 Difference]: With dead ends: 73 [2020-10-20 01:44:07,165 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 01:44:07,167 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 01:44:07,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 01:44:07,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 01:44:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 01:44:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-20 01:44:07,178 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-10-20 01:44:07,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:07,179 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-20 01:44:07,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-20 01:44:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:07,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:07,181 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 01:44:07,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:07,182 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:07,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:07,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-10-20 01:44:07,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:07,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155367814] [2020-10-20 01:44:07,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:07,299 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 01:44:07,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155367814] [2020-10-20 01:44:07,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:07,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:07,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920638608] [2020-10-20 01:44:07,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:07,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:07,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:07,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:07,302 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2020-10-20 01:44:07,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:07,382 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2020-10-20 01:44:07,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:07,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-20 01:44:07,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:07,384 INFO L225 Difference]: With dead ends: 87 [2020-10-20 01:44:07,385 INFO L226 Difference]: Without dead ends: 58 [2020-10-20 01:44:07,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:07,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-20 01:44:07,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2020-10-20 01:44:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-20 01:44:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-10-20 01:44:07,395 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-10-20 01:44:07,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:07,396 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-10-20 01:44:07,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-10-20 01:44:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:44:07,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:07,398 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] [2020-10-20 01:44:07,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:07,398 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:07,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:07,399 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-10-20 01:44:07,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:07,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615584850] [2020-10-20 01:44:07,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:07,515 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 01:44:07,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615584850] [2020-10-20 01:44:07,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:07,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:07,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265333519] [2020-10-20 01:44:07,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:07,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:07,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:07,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:07,519 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2020-10-20 01:44:07,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:07,650 INFO L93 Difference]: Finished difference Result 199 states and 302 transitions. [2020-10-20 01:44:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:07,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 01:44:07,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:07,652 INFO L225 Difference]: With dead ends: 199 [2020-10-20 01:44:07,652 INFO L226 Difference]: Without dead ends: 151 [2020-10-20 01:44:07,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:07,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-10-20 01:44:07,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 96. [2020-10-20 01:44:07,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-20 01:44:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2020-10-20 01:44:07,668 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 23 [2020-10-20 01:44:07,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:07,669 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2020-10-20 01:44:07,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:07,669 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2020-10-20 01:44:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:07,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:07,670 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 01:44:07,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:07,671 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:07,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:07,671 INFO L82 PathProgramCache]: Analyzing trace with hash 255216756, now seen corresponding path program 1 times [2020-10-20 01:44:07,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:07,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841445603] [2020-10-20 01:44:07,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:07,736 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 01:44:07,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841445603] [2020-10-20 01:44:07,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:07,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:07,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339786291] [2020-10-20 01:44:07,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:07,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:07,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:07,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:07,740 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand 5 states. [2020-10-20 01:44:07,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:07,833 INFO L93 Difference]: Finished difference Result 236 states and 349 transitions. [2020-10-20 01:44:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:07,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:44:07,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:07,834 INFO L225 Difference]: With dead ends: 236 [2020-10-20 01:44:07,834 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:07,836 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 01:44:07,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:07,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:07,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 01:44:07,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:07,837 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:07,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:07,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:07,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:07,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:08,241 INFO L274 CegarLoopResult]: For program point L894(lines 894 900) no Hoare annotation was computed. [2020-10-20 01:44:08,241 INFO L270 CegarLoopResult]: At program point L894-1(lines 894 900) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,242 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:08,242 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:08,242 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:08,242 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:08,242 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:08,242 INFO L270 CegarLoopResult]: At program point L763(lines 758 766) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,242 INFO L270 CegarLoopResult]: At program point L763-1(lines 758 766) the Hoare annotation is: false [2020-10-20 01:44:08,243 INFO L270 CegarLoopResult]: At program point L763-2(lines 758 766) the Hoare annotation is: false [2020-10-20 01:44:08,243 INFO L274 CegarLoopResult]: For program point L532(lines 532 549) no Hoare annotation was computed. [2020-10-20 01:44:08,243 INFO L274 CegarLoopResult]: For program point L532-1(lines 532 549) no Hoare annotation was computed. [2020-10-20 01:44:08,243 INFO L274 CegarLoopResult]: For program point L532-2(lines 532 549) no Hoare annotation was computed. [2020-10-20 01:44:08,243 INFO L270 CegarLoopResult]: At program point L500(lines 499 518) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,243 INFO L274 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-10-20 01:44:08,244 INFO L270 CegarLoopResult]: At program point L500-2(lines 499 518) the Hoare annotation is: false [2020-10-20 01:44:08,244 INFO L270 CegarLoopResult]: At program point L500-3(lines 499 518) the Hoare annotation is: false [2020-10-20 01:44:08,244 INFO L274 CegarLoopResult]: For program point L666(lines 666 672) no Hoare annotation was computed. [2020-10-20 01:44:08,244 INFO L270 CegarLoopResult]: At program point L666-1(lines 666 672) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,244 INFO L274 CegarLoopResult]: For program point L914(lines 914 929) no Hoare annotation was computed. [2020-10-20 01:44:08,244 INFO L274 CegarLoopResult]: For program point L536(lines 536 544) no Hoare annotation was computed. [2020-10-20 01:44:08,244 INFO L274 CegarLoopResult]: For program point L536-1(lines 536 544) no Hoare annotation was computed. [2020-10-20 01:44:08,245 INFO L270 CegarLoopResult]: At program point L470(lines 1 941) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:44:08,245 INFO L274 CegarLoopResult]: For program point L536-2(lines 536 544) no Hoare annotation was computed. [2020-10-20 01:44:08,245 INFO L274 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-10-20 01:44:08,245 INFO L274 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-10-20 01:44:08,245 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2020-10-20 01:44:08,245 INFO L274 CegarLoopResult]: For program point L652-3(lines 652 656) no Hoare annotation was computed. [2020-10-20 01:44:08,245 INFO L274 CegarLoopResult]: For program point L652-5(lines 652 656) no Hoare annotation was computed. [2020-10-20 01:44:08,246 INFO L274 CegarLoopResult]: For program point L652-6(lines 652 656) no Hoare annotation was computed. [2020-10-20 01:44:08,246 INFO L274 CegarLoopResult]: For program point L652-8(lines 652 656) no Hoare annotation was computed. [2020-10-20 01:44:08,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:08,246 INFO L270 CegarLoopResult]: At program point L603(lines 598 606) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,246 INFO L270 CegarLoopResult]: At program point L603-1(lines 598 606) the Hoare annotation is: false [2020-10-20 01:44:08,246 INFO L270 CegarLoopResult]: At program point L603-2(lines 598 606) the Hoare annotation is: false [2020-10-20 01:44:08,247 INFO L270 CegarLoopResult]: At program point L934(lines 883 935) the Hoare annotation is: false [2020-10-20 01:44:08,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:08,247 INFO L274 CegarLoopResult]: For program point L885(lines 884 933) no Hoare annotation was computed. [2020-10-20 01:44:08,247 INFO L277 CegarLoopResult]: At program point L869(lines 850 872) the Hoare annotation is: true [2020-10-20 01:44:08,247 INFO L270 CegarLoopResult]: At program point L836(lines 832 838) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,247 INFO L274 CegarLoopResult]: For program point L886(lines 886 890) no Hoare annotation was computed. [2020-10-20 01:44:08,248 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:08,248 INFO L270 CegarLoopResult]: At program point L507(lines 507 513) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,248 INFO L270 CegarLoopResult]: At program point L507-1(lines 507 513) the Hoare annotation is: false [2020-10-20 01:44:08,248 INFO L270 CegarLoopResult]: At program point L507-2(lines 507 513) the Hoare annotation is: false [2020-10-20 01:44:08,248 INFO L270 CegarLoopResult]: At program point L788-2(lines 788 802) the Hoare annotation is: false [2020-10-20 01:44:08,248 INFO L274 CegarLoopResult]: For program point L904(lines 904 910) no Hoare annotation was computed. [2020-10-20 01:44:08,249 INFO L270 CegarLoopResult]: At program point L904-1(lines 904 910) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,249 INFO L270 CegarLoopResult]: At program point L772(lines 767 775) the Hoare annotation is: false [2020-10-20 01:44:08,249 INFO L270 CegarLoopResult]: At program point L772-1(lines 767 775) the Hoare annotation is: false [2020-10-20 01:44:08,249 INFO L274 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-10-20 01:44:08,249 INFO L270 CegarLoopResult]: At program point L772-2(lines 767 775) the Hoare annotation is: false [2020-10-20 01:44:08,249 INFO L274 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-10-20 01:44:08,249 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-20 01:44:08,250 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-20 01:44:08,250 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-20 01:44:08,250 INFO L274 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-10-20 01:44:08,250 INFO L270 CegarLoopResult]: At program point L922-1(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,250 INFO L270 CegarLoopResult]: At program point L658(lines 643 661) the Hoare annotation is: false [2020-10-20 01:44:08,250 INFO L270 CegarLoopResult]: At program point L658-1(lines 643 661) the Hoare annotation is: false [2020-10-20 01:44:08,250 INFO L270 CegarLoopResult]: At program point L658-2(lines 643 661) the Hoare annotation is: false [2020-10-20 01:44:08,251 INFO L274 CegarLoopResult]: For program point L427(lines 427 440) no Hoare annotation was computed. [2020-10-20 01:44:08,251 INFO L270 CegarLoopResult]: At program point L427-1(lines 1 941) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,251 INFO L274 CegarLoopResult]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2020-10-20 01:44:08,251 INFO L270 CegarLoopResult]: At program point L427-3(lines 1 941) the Hoare annotation is: false [2020-10-20 01:44:08,251 INFO L274 CegarLoopResult]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2020-10-20 01:44:08,251 INFO L270 CegarLoopResult]: At program point L427-5(lines 1 941) the Hoare annotation is: false [2020-10-20 01:44:08,252 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:08,252 INFO L270 CegarLoopResult]: At program point L478(lines 473 481) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:08,252 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:08,252 INFO L274 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2020-10-20 01:44:08,252 INFO L274 CegarLoopResult]: For program point L792-1(lines 500 506) no Hoare annotation was computed. [2020-10-20 01:44:08,252 INFO L274 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-10-20 01:44:08,252 INFO L274 CegarLoopResult]: For program point L694-3(lines 694 698) no Hoare annotation was computed. [2020-10-20 01:44:08,253 INFO L274 CegarLoopResult]: For program point L694-6(lines 694 698) no Hoare annotation was computed. [2020-10-20 01:44:08,253 INFO L274 CegarLoopResult]: For program point L860(lines 860 867) no Hoare annotation was computed. [2020-10-20 01:44:08,253 INFO L277 CegarLoopResult]: At program point L860-1(lines 860 867) the Hoare annotation is: true [2020-10-20 01:44:08,253 INFO L274 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-10-20 01:44:08,253 INFO L274 CegarLoopResult]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2020-10-20 01:44:08,253 INFO L274 CegarLoopResult]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2020-10-20 01:44:08,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:08 BoogieIcfgContainer [2020-10-20 01:44:08,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:08,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:08,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:08,276 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:08,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:06" (3/4) ... [2020-10-20 01:44:08,281 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:08,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:08,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:08,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:08,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:08,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:08,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:08,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:08,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:44:08,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,335 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,335 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,337 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,337 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,338 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,339 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1 [2020-10-20 01:44:08,408 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:08,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:08,411 INFO L168 Benchmark]: Toolchain (without parser) took 3848.75 ms. Allocated memory was 35.1 MB in the beginning and 61.9 MB in the end (delta: 26.7 MB). Free memory was 11.1 MB in the beginning and 37.3 MB in the end (delta: -26.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:08,411 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 34.1 MB. Free memory is still 19.1 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:44:08,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.70 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 10.3 MB in the beginning and 24.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:08,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.16 ms. Allocated memory is still 43.5 MB. Free memory was 24.9 MB in the beginning and 21.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:08,413 INFO L168 Benchmark]: Boogie Preprocessor took 38.88 ms. Allocated memory is still 43.5 MB. Free memory was 21.6 MB in the beginning and 19.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:08,413 INFO L168 Benchmark]: RCFGBuilder took 1008.52 ms. Allocated memory was 43.5 MB in the beginning and 48.2 MB in the end (delta: 4.7 MB). Free memory was 19.4 MB in the beginning and 16.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:08,413 INFO L168 Benchmark]: TraceAbstraction took 1913.42 ms. Allocated memory was 48.2 MB in the beginning and 57.7 MB in the end (delta: 9.4 MB). Free memory was 16.1 MB in the beginning and 14.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:08,414 INFO L168 Benchmark]: Witness Printer took 132.62 ms. Allocated memory was 57.7 MB in the beginning and 61.9 MB in the end (delta: 4.2 MB). Free memory was 14.8 MB in the beginning and 37.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:08,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 34.1 MB. Free memory is still 19.1 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 672.70 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 10.3 MB in the beginning and 24.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 72.16 ms. Allocated memory is still 43.5 MB. Free memory was 24.9 MB in the beginning and 21.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 38.88 ms. Allocated memory is still 43.5 MB. Free memory was 21.6 MB in the beginning and 19.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1008.52 ms. Allocated memory was 43.5 MB in the beginning and 48.2 MB in the end (delta: 4.7 MB). Free memory was 19.4 MB in the beginning and 16.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1913.42 ms. Allocated memory was 48.2 MB in the beginning and 57.7 MB in the end (delta: 9.4 MB). Free memory was 16.1 MB in the beginning and 14.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 14.3 GB. * Witness Printer took 132.62 ms. Allocated memory was 57.7 MB in the beginning and 61.9 MB in the end (delta: 4.2 MB). Free memory was 14.8 MB in the beginning and 37.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 4.7 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: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 478 SDslu, 266 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1603 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 386 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...