./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product46.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_spec5_product46.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 4c100018e2a5139387b38d5f21033274a3db59f6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:45:07,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:07,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:07,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:07,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:07,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:07,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:07,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:07,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:07,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:07,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:07,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:07,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:07,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:07,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:07,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:07,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:07,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:07,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:07,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:07,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:07,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:07,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:07,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:07,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:07,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:07,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:07,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:07,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:07,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:07,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:07,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:07,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:07,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:07,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:07,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:07,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:07,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:07,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:07,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:07,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:07,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:07,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:07,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:07,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:07,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:07,272 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:07,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:07,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:07,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:07,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:07,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:07,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:07,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:07,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:07,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:07,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:07,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:07,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:07,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:07,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:07,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:07,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:07,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:07,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:07,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:07,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:07,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:07,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:07,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:07,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:07,277 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 -> 4c100018e2a5139387b38d5f21033274a3db59f6 [2020-10-20 01:45:07,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:07,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:07,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:07,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:07,511 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:07,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2020-10-20 01:45:07,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ba5fddf8/19423af9b6b2480889124a1e9cb270b3/FLAG26bfdfdbf [2020-10-20 01:45:08,180 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:08,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2020-10-20 01:45:08,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ba5fddf8/19423af9b6b2480889124a1e9cb270b3/FLAG26bfdfdbf [2020-10-20 01:45:08,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ba5fddf8/19423af9b6b2480889124a1e9cb270b3 [2020-10-20 01:45:08,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:08,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:08,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:08,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:08,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:08,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e542a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:08, skipping insertion in model container [2020-10-20 01:45:08,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:08" (1/1) ... [2020-10-20 01:45:08,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:08,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:08,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:08,979 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:09,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:09,199 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:09,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09 WrapperNode [2020-10-20 01:45:09,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:09,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:09,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:09,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:09,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:09,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:09,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:09,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:09,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (1/1) ... [2020-10-20 01:45:09,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:09,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:09,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:09,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:09,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (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 01:45:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:10,503 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:10,503 INFO L298 CfgBuilder]: Removed 214 assume(true) statements. [2020-10-20 01:45:10,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:10 BoogieIcfgContainer [2020-10-20 01:45:10,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:10,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:10,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:10,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:10,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:08" (1/3) ... [2020-10-20 01:45:10,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae175bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:10, skipping insertion in model container [2020-10-20 01:45:10,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:09" (2/3) ... [2020-10-20 01:45:10,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae175bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:10, skipping insertion in model container [2020-10-20 01:45:10,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:10" (3/3) ... [2020-10-20 01:45:10,516 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-10-20 01:45:10,530 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:10,539 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:10,557 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:10,588 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:10,588 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:10,588 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:10,589 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:10,589 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:10,589 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:10,589 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:10,590 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-10-20 01:45:10,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:10,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,621 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 01:45:10,621 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,628 INFO L82 PathProgramCache]: Analyzing trace with hash -2117341070, now seen corresponding path program 1 times [2020-10-20 01:45:10,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425470571] [2020-10-20 01:45:10,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,938 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 01:45:10,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425470571] [2020-10-20 01:45:10,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:10,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689739613] [2020-10-20 01:45:10,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:10,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:10,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:10,965 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2020-10-20 01:45:11,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,004 INFO L93 Difference]: Finished difference Result 272 states and 403 transitions. [2020-10-20 01:45:11,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:11,006 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,019 INFO L225 Difference]: With dead ends: 272 [2020-10-20 01:45:11,020 INFO L226 Difference]: Without dead ends: 134 [2020-10-20 01:45:11,024 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 01:45:11,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-20 01:45:11,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-20 01:45:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-20 01:45:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2020-10-20 01:45:11,080 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2020-10-20 01:45:11,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,081 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2020-10-20 01:45:11,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2020-10-20 01:45:11,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:11,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,083 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] [2020-10-20 01:45:11,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:11,084 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,084 INFO L82 PathProgramCache]: Analyzing trace with hash -311321517, now seen corresponding path program 1 times [2020-10-20 01:45:11,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872975481] [2020-10-20 01:45:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,184 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 01:45:11,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872975481] [2020-10-20 01:45:11,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:11,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088094449] [2020-10-20 01:45:11,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:11,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:11,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:11,189 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2020-10-20 01:45:11,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,222 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2020-10-20 01:45:11,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:11,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:11,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,229 INFO L225 Difference]: With dead ends: 134 [2020-10-20 01:45:11,229 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:45:11,232 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 01:45:11,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:45:11,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:45:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:45:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-10-20 01:45:11,240 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2020-10-20 01:45:11,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,241 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-10-20 01:45:11,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-10-20 01:45:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:11,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,243 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 01:45:11,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:11,243 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,244 INFO L82 PathProgramCache]: Analyzing trace with hash -739575047, now seen corresponding path program 1 times [2020-10-20 01:45:11,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595158269] [2020-10-20 01:45:11,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,355 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 01:45:11,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595158269] [2020-10-20 01:45:11,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:11,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594846829] [2020-10-20 01:45:11,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:11,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:11,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:11,359 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-10-20 01:45:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,404 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2020-10-20 01:45:11,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:11,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:11,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,406 INFO L225 Difference]: With dead ends: 103 [2020-10-20 01:45:11,406 INFO L226 Difference]: Without dead ends: 55 [2020-10-20 01:45:11,407 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 01:45:11,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-20 01:45:11,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-20 01:45:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:45:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-10-20 01:45:11,415 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2020-10-20 01:45:11,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,416 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-10-20 01:45:11,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-10-20 01:45:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:45:11,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:11,418 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1972933051, now seen corresponding path program 1 times [2020-10-20 01:45:11,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238724957] [2020-10-20 01:45:11,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,523 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 01:45:11,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238724957] [2020-10-20 01:45:11,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:11,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421267079] [2020-10-20 01:45:11,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:11,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:11,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:11,526 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2020-10-20 01:45:11,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,588 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2020-10-20 01:45:11,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:11,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-20 01:45:11,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,591 INFO L225 Difference]: With dead ends: 127 [2020-10-20 01:45:11,591 INFO L226 Difference]: Without dead ends: 79 [2020-10-20 01:45:11,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:11,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-20 01:45:11,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2020-10-20 01:45:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-20 01:45:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-10-20 01:45:11,614 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2020-10-20 01:45:11,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,615 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-10-20 01:45:11,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-10-20 01:45:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:11,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:11,619 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,619 INFO L82 PathProgramCache]: Analyzing trace with hash -2138258297, now seen corresponding path program 1 times [2020-10-20 01:45:11,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918488168] [2020-10-20 01:45:11,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,714 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 01:45:11,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918488168] [2020-10-20 01:45:11,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:11,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504138188] [2020-10-20 01:45:11,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:11,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:11,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:11,716 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-10-20 01:45:11,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,860 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2020-10-20 01:45:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:11,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:11,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,863 INFO L225 Difference]: With dead ends: 260 [2020-10-20 01:45:11,863 INFO L226 Difference]: Without dead ends: 190 [2020-10-20 01:45:11,864 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 01:45:11,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-20 01:45:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-10-20 01:45:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-20 01:45:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2020-10-20 01:45:11,877 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2020-10-20 01:45:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,878 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2020-10-20 01:45:11,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-10-20 01:45:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:11,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:11,880 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,881 INFO L82 PathProgramCache]: Analyzing trace with hash 760139958, now seen corresponding path program 1 times [2020-10-20 01:45:11,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769102943] [2020-10-20 01:45:11,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,973 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 01:45:11,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769102943] [2020-10-20 01:45:11,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:11,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:11,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975005877] [2020-10-20 01:45:11,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:11,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:11,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:11,975 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2020-10-20 01:45:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,049 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2020-10-20 01:45:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:12,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-20 01:45:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,052 INFO L225 Difference]: With dead ends: 194 [2020-10-20 01:45:12,052 INFO L226 Difference]: Without dead ends: 125 [2020-10-20 01:45:12,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:12,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-20 01:45:12,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2020-10-20 01:45:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-20 01:45:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2020-10-20 01:45:12,064 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2020-10-20 01:45:12,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,065 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2020-10-20 01:45:12,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2020-10-20 01:45:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:12,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:12,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:12,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:12,067 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:12,068 INFO L82 PathProgramCache]: Analyzing trace with hash -250977292, now seen corresponding path program 1 times [2020-10-20 01:45:12,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:12,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584128794] [2020-10-20 01:45:12,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:12,136 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 01:45:12,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584128794] [2020-10-20 01:45:12,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:12,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:12,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722845970] [2020-10-20 01:45:12,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:45:12,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:12,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:45:12,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:45:12,139 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2020-10-20 01:45:12,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,185 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2020-10-20 01:45:12,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:45:12,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-10-20 01:45:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,187 INFO L225 Difference]: With dead ends: 189 [2020-10-20 01:45:12,187 INFO L226 Difference]: Without dead ends: 114 [2020-10-20 01:45:12,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:12,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-20 01:45:12,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2020-10-20 01:45:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-20 01:45:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2020-10-20 01:45:12,203 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2020-10-20 01:45:12,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,203 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2020-10-20 01:45:12,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:45:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2020-10-20 01:45:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:12,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:12,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:12,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:12,206 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:12,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:12,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1272045646, now seen corresponding path program 1 times [2020-10-20 01:45:12,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:12,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274856353] [2020-10-20 01:45:12,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:12,251 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 01:45:12,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274856353] [2020-10-20 01:45:12,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:12,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:12,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525403217] [2020-10-20 01:45:12,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:12,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:12,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:12,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:12,253 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2020-10-20 01:45:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,298 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2020-10-20 01:45:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:12,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-10-20 01:45:12,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,300 INFO L225 Difference]: With dead ends: 193 [2020-10-20 01:45:12,300 INFO L226 Difference]: Without dead ends: 114 [2020-10-20 01:45:12,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:12,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-20 01:45:12,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-10-20 01:45:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-20 01:45:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2020-10-20 01:45:12,322 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2020-10-20 01:45:12,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,323 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2020-10-20 01:45:12,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2020-10-20 01:45:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-20 01:45:12,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:12,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:12,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:12,328 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:12,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:12,329 INFO L82 PathProgramCache]: Analyzing trace with hash 263752306, now seen corresponding path program 1 times [2020-10-20 01:45:12,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:12,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450603619] [2020-10-20 01:45:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:12,483 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 01:45:12,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450603619] [2020-10-20 01:45:12,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:12,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:12,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168857106] [2020-10-20 01:45:12,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:12,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:12,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:12,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:12,486 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 7 states. [2020-10-20 01:45:12,719 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-10-20 01:45:12,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,938 INFO L93 Difference]: Finished difference Result 533 states and 713 transitions. [2020-10-20 01:45:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:12,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-10-20 01:45:12,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,942 INFO L225 Difference]: With dead ends: 533 [2020-10-20 01:45:12,942 INFO L226 Difference]: Without dead ends: 454 [2020-10-20 01:45:12,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:12,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-10-20 01:45:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 192. [2020-10-20 01:45:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-20 01:45:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 249 transitions. [2020-10-20 01:45:12,963 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 249 transitions. Word has length 38 [2020-10-20 01:45:12,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,963 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 249 transitions. [2020-10-20 01:45:12,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:12,964 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 249 transitions. [2020-10-20 01:45:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-20 01:45:12,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:12,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:12,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:12,966 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:12,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:12,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1262986043, now seen corresponding path program 1 times [2020-10-20 01:45:12,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:12,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992774106] [2020-10-20 01:45:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:13,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992774106] [2020-10-20 01:45:13,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389077224] [2020-10-20 01:45:13,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:45:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:13,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:13,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:13,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:13,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-10-20 01:45:13,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411516719] [2020-10-20 01:45:13,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 01:45:13,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 01:45:13,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:13,326 INFO L87 Difference]: Start difference. First operand 192 states and 249 transitions. Second operand 9 states. [2020-10-20 01:45:13,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:13,702 INFO L93 Difference]: Finished difference Result 435 states and 582 transitions. [2020-10-20 01:45:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:45:13,703 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2020-10-20 01:45:13,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:13,704 INFO L225 Difference]: With dead ends: 435 [2020-10-20 01:45:13,704 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:13,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-20 01:45:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:13,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-10-20 01:45:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:13,707 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:13,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 01:45:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:13,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:13,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:13,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:14,493 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2020-10-20 01:45:14,658 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2020-10-20 01:45:14,853 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2020-10-20 01:45:15,358 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2020-10-20 01:45:15,508 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2020-10-20 01:45:15,745 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2020-10-20 01:45:15,796 INFO L274 CegarLoopResult]: For program point L927(lines 926 973) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point L928(lines 928 932) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,797 INFO L274 CegarLoopResult]: For program point L897-3(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,798 INFO L274 CegarLoopResult]: For program point L897-5(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,798 INFO L274 CegarLoopResult]: For program point L897-6(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,798 INFO L274 CegarLoopResult]: For program point L897-8(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,798 INFO L274 CegarLoopResult]: For program point L897-9(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,798 INFO L274 CegarLoopResult]: For program point L897-11(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,798 INFO L274 CegarLoopResult]: For program point L897-12(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,798 INFO L274 CegarLoopResult]: For program point L897-14(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,798 INFO L274 CegarLoopResult]: For program point L897-15(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,799 INFO L274 CegarLoopResult]: For program point L897-17(lines 897 901) no Hoare annotation was computed. [2020-10-20 01:45:15,799 INFO L274 CegarLoopResult]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:15,799 INFO L270 CegarLoopResult]: At program point L72-1(lines 1 981) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-10-20 01:45:15,799 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:15,799 INFO L270 CegarLoopResult]: At program point L72-3(lines 1 981) the Hoare annotation is: false [2020-10-20 01:45:15,799 INFO L274 CegarLoopResult]: For program point L964(lines 964 968) no Hoare annotation was computed. [2020-10-20 01:45:15,799 INFO L274 CegarLoopResult]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:15,800 INFO L270 CegarLoopResult]: At program point L72-5(lines 1 981) the Hoare annotation is: false [2020-10-20 01:45:15,800 INFO L270 CegarLoopResult]: At program point L964-2(lines 964 968) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-10-20 01:45:15,801 INFO L270 CegarLoopResult]: At program point L106-2(lines 106 120) the Hoare annotation is: false [2020-10-20 01:45:15,801 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-20 01:45:15,801 INFO L274 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-10-20 01:45:15,801 INFO L274 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-10-20 01:45:15,801 INFO L274 CegarLoopResult]: For program point L702-2(line 702) no Hoare annotation was computed. [2020-10-20 01:45:15,802 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,802 INFO L274 CegarLoopResult]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:15,802 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:15,802 INFO L274 CegarLoopResult]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:15,802 INFO L274 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-10-20 01:45:15,803 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:15,803 INFO L274 CegarLoopResult]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2020-10-20 01:45:15,803 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:15,803 INFO L274 CegarLoopResult]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:15,803 INFO L274 CegarLoopResult]: For program point L936(lines 936 942) no Hoare annotation was computed. [2020-10-20 01:45:15,803 INFO L270 CegarLoopResult]: At program point L936-1(lines 936 942) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L903(lines 888 906) the Hoare annotation is: false [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L903-1(lines 888 906) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3))) [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L903-2(lines 888 906) the Hoare annotation is: false [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L903-3(lines 888 906) the Hoare annotation is: false [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L903-4(lines 888 906) the Hoare annotation is: false [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L903-5(lines 888 906) the Hoare annotation is: false [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L839(lines 832 842) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L839-1(lines 832 842) the Hoare annotation is: false [2020-10-20 01:45:15,804 INFO L270 CegarLoopResult]: At program point L839-2(lines 832 842) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:15,805 INFO L270 CegarLoopResult]: At program point L839-3(lines 832 842) the Hoare annotation is: false [2020-10-20 01:45:15,805 INFO L270 CegarLoopResult]: At program point L839-4(lines 832 842) the Hoare annotation is: false [2020-10-20 01:45:15,805 INFO L270 CegarLoopResult]: At program point L839-5(lines 832 842) the Hoare annotation is: false [2020-10-20 01:45:15,805 INFO L270 CegarLoopResult]: At program point L839-6(lines 832 842) the Hoare annotation is: false [2020-10-20 01:45:15,805 INFO L270 CegarLoopResult]: At program point L839-7(lines 832 842) the Hoare annotation is: false [2020-10-20 01:45:15,805 INFO L274 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-10-20 01:45:15,805 INFO L270 CegarLoopResult]: At program point L839-8(lines 832 842) the Hoare annotation is: false [2020-10-20 01:45:15,805 INFO L274 CegarLoopResult]: For program point L575-3(lines 575 579) no Hoare annotation was computed. [2020-10-20 01:45:15,805 INFO L274 CegarLoopResult]: For program point L575-6(lines 575 579) no Hoare annotation was computed. [2020-10-20 01:45:15,805 INFO L270 CegarLoopResult]: At program point L974(lines 925 975) the Hoare annotation is: false [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L644(lines 639 647) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L644-1(lines 639 647) the Hoare annotation is: false [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L644-2(lines 639 647) the Hoare annotation is: false [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L612(lines 607 615) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L612-1(lines 607 615) the Hoare annotation is: false [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L612-2(lines 607 615) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L612-3(lines 607 615) the Hoare annotation is: false [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L612-4(lines 607 615) the Hoare annotation is: false [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L612-5(lines 607 615) the Hoare annotation is: false [2020-10-20 01:45:15,806 INFO L270 CegarLoopResult]: At program point L612-6(lines 607 615) the Hoare annotation is: false [2020-10-20 01:45:15,807 INFO L270 CegarLoopResult]: At program point L612-7(lines 607 615) the Hoare annotation is: false [2020-10-20 01:45:15,807 INFO L270 CegarLoopResult]: At program point L612-8(lines 607 615) the Hoare annotation is: false [2020-10-20 01:45:15,807 INFO L270 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:15,807 INFO L274 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-10-20 01:45:15,807 INFO L274 CegarLoopResult]: For program point L778-1(lines 778 795) no Hoare annotation was computed. [2020-10-20 01:45:15,807 INFO L274 CegarLoopResult]: For program point L778-2(lines 778 795) no Hoare annotation was computed. [2020-10-20 01:45:15,807 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:15,807 INFO L274 CegarLoopResult]: For program point L185(lines 185 192) no Hoare annotation was computed. [2020-10-20 01:45:15,807 INFO L277 CegarLoopResult]: At program point L185-1(lines 185 192) the Hoare annotation is: true [2020-10-20 01:45:15,807 INFO L274 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-10-20 01:45:15,808 INFO L270 CegarLoopResult]: At program point L946-1(lines 946 952) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-10-20 01:45:15,808 INFO L274 CegarLoopResult]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-10-20 01:45:15,808 INFO L274 CegarLoopResult]: For program point L814-2(lines 814 820) no Hoare annotation was computed. [2020-10-20 01:45:15,808 INFO L274 CegarLoopResult]: For program point L814-4(lines 814 820) no Hoare annotation was computed. [2020-10-20 01:45:15,808 INFO L274 CegarLoopResult]: For program point L814-6(lines 814 820) no Hoare annotation was computed. [2020-10-20 01:45:15,808 INFO L274 CegarLoopResult]: For program point L814-8(lines 814 820) no Hoare annotation was computed. [2020-10-20 01:45:15,808 INFO L274 CegarLoopResult]: For program point L814-10(lines 814 820) no Hoare annotation was computed. [2020-10-20 01:45:15,809 INFO L270 CegarLoopResult]: At program point L848(lines 843 851) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse4 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse0 .cse1 .cse2))) [2020-10-20 01:45:15,809 INFO L270 CegarLoopResult]: At program point L848-1(lines 843 851) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-10-20 01:45:15,809 INFO L274 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-10-20 01:45:15,809 INFO L270 CegarLoopResult]: At program point L848-2(lines 843 851) the Hoare annotation is: false [2020-10-20 01:45:15,809 INFO L274 CegarLoopResult]: For program point L782-1(lines 782 790) no Hoare annotation was computed. [2020-10-20 01:45:15,809 INFO L270 CegarLoopResult]: At program point L848-3(lines 843 851) the Hoare annotation is: false [2020-10-20 01:45:15,809 INFO L270 CegarLoopResult]: At program point L848-4(lines 843 851) the Hoare annotation is: false [2020-10-20 01:45:15,809 INFO L274 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-10-20 01:45:15,809 INFO L270 CegarLoopResult]: At program point L848-5(lines 843 851) the Hoare annotation is: false [2020-10-20 01:45:15,809 INFO L270 CegarLoopResult]: At program point L685(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L652(lines 652 658) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L652-1(lines 652 658) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 658) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L652-3(lines 652 658) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L652-4(lines 652 658) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L652-5(lines 652 658) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L270 CegarLoopResult]: At program point L157(lines 153 159) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L752(lines 752 769) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L752-1(lines 752 769) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L752-2(lines 752 769) no Hoare annotation was computed. [2020-10-20 01:45:15,810 INFO L274 CegarLoopResult]: For program point L752-3(lines 752 769) no Hoare annotation was computed. [2020-10-20 01:45:15,811 INFO L274 CegarLoopResult]: For program point L752-4(lines 752 769) no Hoare annotation was computed. [2020-10-20 01:45:15,811 INFO L274 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-10-20 01:45:15,811 INFO L274 CegarLoopResult]: For program point L752-5(lines 752 769) no Hoare annotation was computed. [2020-10-20 01:45:15,811 INFO L270 CegarLoopResult]: At program point L720(lines 716 738) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-10-20 01:45:15,811 INFO L270 CegarLoopResult]: At program point L720-1(lines 716 738) the Hoare annotation is: false [2020-10-20 01:45:15,811 INFO L270 CegarLoopResult]: At program point L720-2(lines 716 738) the Hoare annotation is: false [2020-10-20 01:45:15,811 INFO L270 CegarLoopResult]: At program point L61(lines 720 726) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2))) [2020-10-20 01:45:15,811 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:15,811 INFO L270 CegarLoopResult]: At program point L61-1(lines 720 726) the Hoare annotation is: false [2020-10-20 01:45:15,812 INFO L270 CegarLoopResult]: At program point L61-2(lines 720 726) the Hoare annotation is: false [2020-10-20 01:45:15,812 INFO L277 CegarLoopResult]: At program point L194(lines 175 197) the Hoare annotation is: true [2020-10-20 01:45:15,812 INFO L274 CegarLoopResult]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-10-20 01:45:15,812 INFO L274 CegarLoopResult]: For program point L756-1(lines 756 764) no Hoare annotation was computed. [2020-10-20 01:45:15,812 INFO L274 CegarLoopResult]: For program point L756-2(lines 756 764) no Hoare annotation was computed. [2020-10-20 01:45:15,812 INFO L270 CegarLoopResult]: At program point L657(lines 648 661) the Hoare annotation is: false [2020-10-20 01:45:15,812 INFO L274 CegarLoopResult]: For program point L756-3(lines 756 764) no Hoare annotation was computed. [2020-10-20 01:45:15,812 INFO L270 CegarLoopResult]: At program point L657-1(lines 648 661) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-10-20 01:45:15,812 INFO L274 CegarLoopResult]: For program point L756-4(lines 756 764) no Hoare annotation was computed. [2020-10-20 01:45:15,813 INFO L270 CegarLoopResult]: At program point L657-2(lines 648 661) the Hoare annotation is: false [2020-10-20 01:45:15,813 INFO L274 CegarLoopResult]: For program point L756-5(lines 756 764) no Hoare annotation was computed. [2020-10-20 01:45:15,813 INFO L270 CegarLoopResult]: At program point L657-3(lines 648 661) the Hoare annotation is: false [2020-10-20 01:45:15,813 INFO L270 CegarLoopResult]: At program point L657-4(lines 648 661) the Hoare annotation is: false [2020-10-20 01:45:15,813 INFO L270 CegarLoopResult]: At program point L657-5(lines 648 661) the Hoare annotation is: false [2020-10-20 01:45:15,813 INFO L274 CegarLoopResult]: For program point L956(lines 956 969) no Hoare annotation was computed. [2020-10-20 01:45:15,813 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:15,813 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:15,813 INFO L270 CegarLoopResult]: At program point L693(lines 688 696) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:15,814 INFO L270 CegarLoopResult]: At program point L727(lines 727 733) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-10-20 01:45:15,814 INFO L270 CegarLoopResult]: At program point L727-1(lines 727 733) the Hoare annotation is: false [2020-10-20 01:45:15,814 INFO L270 CegarLoopResult]: At program point L727-2(lines 727 733) the Hoare annotation is: false [2020-10-20 01:45:15,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:15 BoogieIcfgContainer [2020-10-20 01:45:15,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:15,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:15,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:15,849 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:15,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:10" (3/4) ... [2020-10-20 01:45:15,853 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:15,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:15,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:15,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:15,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:15,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:15,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:15,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:15,923 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((1 <= pumpRunning && tmp <= 2) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,924 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,925 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,926 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,928 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,928 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-10-20 01:45:15,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-10-20 01:45:15,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,942 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:15,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:16,111 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:16,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:16,113 INFO L168 Benchmark]: Toolchain (without parser) took 7621.35 ms. Allocated memory was 34.6 MB in the beginning and 95.4 MB in the end (delta: 60.8 MB). Free memory was 11.4 MB in the beginning and 67.5 MB in the end (delta: -56.0 MB). Peak memory consumption was 54.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,114 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 33.0 MB. Free memory was 7.8 MB in the beginning and 7.8 MB in the end (delta: 25.1 kB). Peak memory consumption was 25.1 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.64 ms. Allocated memory was 34.6 MB in the beginning and 44.6 MB in the end (delta: 10.0 MB). Free memory was 10.5 MB in the beginning and 20.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.36 ms. Allocated memory is still 44.6 MB. Free memory was 20.7 MB in the beginning and 16.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,115 INFO L168 Benchmark]: Boogie Preprocessor took 57.93 ms. Allocated memory is still 44.6 MB. Free memory was 16.3 MB in the beginning and 13.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,116 INFO L168 Benchmark]: RCFGBuilder took 1161.62 ms. Allocated memory was 44.6 MB in the beginning and 49.8 MB in the end (delta: 5.2 MB). Free memory was 13.1 MB in the beginning and 25.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,116 INFO L168 Benchmark]: TraceAbstraction took 5340.54 ms. Allocated memory was 49.8 MB in the beginning and 91.8 MB in the end (delta: 41.9 MB). Free memory was 25.5 MB in the beginning and 27.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,117 INFO L168 Benchmark]: Witness Printer took 263.55 ms. Allocated memory was 91.8 MB in the beginning and 95.4 MB in the end (delta: 3.7 MB). Free memory was 27.6 MB in the beginning and 67.5 MB in the end (delta: -39.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 33.0 MB. Free memory was 7.8 MB in the beginning and 7.8 MB in the end (delta: 25.1 kB). Peak memory consumption was 25.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 701.64 ms. Allocated memory was 34.6 MB in the beginning and 44.6 MB in the end (delta: 10.0 MB). Free memory was 10.5 MB in the beginning and 20.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 85.36 ms. Allocated memory is still 44.6 MB. Free memory was 20.7 MB in the beginning and 16.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 57.93 ms. Allocated memory is still 44.6 MB. Free memory was 16.3 MB in the beginning and 13.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1161.62 ms. Allocated memory was 44.6 MB in the beginning and 49.8 MB in the end (delta: 5.2 MB). Free memory was 13.1 MB in the beginning and 25.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5340.54 ms. Allocated memory was 49.8 MB in the beginning and 91.8 MB in the end (delta: 41.9 MB). Free memory was 25.5 MB in the beginning and 27.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 14.3 GB. * Witness Printer took 263.55 ms. Allocated memory was 91.8 MB in the beginning and 95.4 MB in the end (delta: 3.7 MB). Free memory was 27.6 MB in the beginning and 67.5 MB in the end (delta: -39.8 MB). Peak memory consumption was 13.7 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: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((((1 <= pumpRunning && tmp <= 2) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1107 SDtfs, 1265 SDslu, 1530 SDs, 0 SdLazy, 255 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 449 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 169 NumberOfFragments, 693 HoareAnnotationTreeSize, 62 FomulaSimplifications, 32765 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7455 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 32751 SizeOfPredicates, 4 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...