./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product12.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:59:15,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:15,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:15,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:15,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:15,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:15,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:15,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:15,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:15,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:15,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:15,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:15,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:15,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:15,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:15,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:15,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:15,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:15,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:15,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:15,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:15,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:15,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:15,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:15,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:15,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:15,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:15,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:15,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:15,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:15,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:15,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:15,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:15,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:15,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:15,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:15,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:15,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:15,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:15,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:15,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:15,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:15,233 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:15,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:15,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:15,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:15,236 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:15,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:15,237 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:15,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:15,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:15,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:15,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:15,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:15,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:15,240 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:15,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:15,241 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:15,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:15,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:15,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:15,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:15,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:15,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:15,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:15,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:15,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:15,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:15,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:15,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:15,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:15,245 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(__VERIFIER_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 -> 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e [2020-07-28 18:59:15,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:15,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:15,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:15,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:15,589 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:15,590 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2020-07-28 18:59:15,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f4affa9/87293a84e40b4f448421ab1ecb50346d/FLAG08cb73a45 [2020-07-28 18:59:16,131 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:16,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2020-07-28 18:59:16,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f4affa9/87293a84e40b4f448421ab1ecb50346d/FLAG08cb73a45 [2020-07-28 18:59:16,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19f4affa9/87293a84e40b4f448421ab1ecb50346d [2020-07-28 18:59:16,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:16,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:16,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:16,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:16,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:16,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:16" (1/1) ... [2020-07-28 18:59:16,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a968279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:16, skipping insertion in model container [2020-07-28 18:59:16,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:16" (1/1) ... [2020-07-28 18:59:16,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:16,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:16,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:16,990 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:17,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:17,115 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:17,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17 WrapperNode [2020-07-28 18:59:17,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:17,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:17,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:17,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:17,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:17,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:17,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:17,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:17,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (1/1) ... [2020-07-28 18:59:17,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:17,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:17,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:17,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:17,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (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 [2020-07-28 18:59:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:18,598 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:18,598 INFO L295 CfgBuilder]: Removed 74 assume(true) statements. [2020-07-28 18:59:18,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:18 BoogieIcfgContainer [2020-07-28 18:59:18,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:18,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:18,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:18,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:18,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:16" (1/3) ... [2020-07-28 18:59:18,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346351fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:18, skipping insertion in model container [2020-07-28 18:59:18,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:17" (2/3) ... [2020-07-28 18:59:18,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346351fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:18, skipping insertion in model container [2020-07-28 18:59:18,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:18" (3/3) ... [2020-07-28 18:59:18,612 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2020-07-28 18:59:18,623 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:18,631 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:18,646 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:18,671 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:18,671 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:18,672 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:18,672 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:18,672 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:18,673 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:18,673 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:18,673 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-07-28 18:59:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:18,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:18,699 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:18,700 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:18,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:18,707 INFO L82 PathProgramCache]: Analyzing trace with hash 706591477, now seen corresponding path program 1 times [2020-07-28 18:59:18,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:18,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652632114] [2020-07-28 18:59:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:19,023 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {66#true} is VALID [2020-07-28 18:59:19,024 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {66#true} is VALID [2020-07-28 18:59:19,025 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {66#true} is VALID [2020-07-28 18:59:19,025 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {66#true} is VALID [2020-07-28 18:59:19,026 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} assume 0 != main_~tmp~6; {66#true} is VALID [2020-07-28 18:59:19,027 INFO L280 TraceCheckUtils]: 5: Hoare triple {66#true} ~methAndRunningLastTime~0 := 0; {66#true} is VALID [2020-07-28 18:59:19,028 INFO L280 TraceCheckUtils]: 6: Hoare triple {66#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {66#true} is VALID [2020-07-28 18:59:19,029 INFO L280 TraceCheckUtils]: 7: Hoare triple {66#true} assume !true; {67#false} is VALID [2020-07-28 18:59:19,029 INFO L280 TraceCheckUtils]: 8: Hoare triple {67#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {67#false} is VALID [2020-07-28 18:59:19,030 INFO L280 TraceCheckUtils]: 9: Hoare triple {67#false} assume !(0 != ~pumpRunning~0); {67#false} is VALID [2020-07-28 18:59:19,030 INFO L280 TraceCheckUtils]: 10: Hoare triple {67#false} assume 0 != ~systemActive~0; {67#false} is VALID [2020-07-28 18:59:19,031 INFO L280 TraceCheckUtils]: 11: Hoare triple {67#false} havoc __utac_acc__Specification2_spec__2_#t~ret23, __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {67#false} is VALID [2020-07-28 18:59:19,033 INFO L280 TraceCheckUtils]: 12: Hoare triple {67#false} __utac_acc__Specification2_spec__2_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret23 && __utac_acc__Specification2_spec__2_#t~ret23 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret23;havoc __utac_acc__Specification2_spec__2_#t~ret23; {67#false} is VALID [2020-07-28 18:59:19,033 INFO L280 TraceCheckUtils]: 13: Hoare triple {67#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {67#false} is VALID [2020-07-28 18:59:19,033 INFO L280 TraceCheckUtils]: 14: Hoare triple {67#false} __utac_acc__Specification2_spec__2_#t~ret24 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret24 && __utac_acc__Specification2_spec__2_#t~ret24 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret24;havoc __utac_acc__Specification2_spec__2_#t~ret24; {67#false} is VALID [2020-07-28 18:59:19,034 INFO L280 TraceCheckUtils]: 15: Hoare triple {67#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {67#false} is VALID [2020-07-28 18:59:19,035 INFO L280 TraceCheckUtils]: 16: Hoare triple {67#false} assume 0 != ~methAndRunningLastTime~0; {67#false} is VALID [2020-07-28 18:59:19,035 INFO L280 TraceCheckUtils]: 17: Hoare triple {67#false} assume !false; {67#false} is VALID [2020-07-28 18:59:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:19,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652632114] [2020-07-28 18:59:19,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:19,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:19,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954991834] [2020-07-28 18:59:19,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:19,056 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:19,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:19,113 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:19,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:19,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:19,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:19,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:19,127 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2020-07-28 18:59:19,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,339 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2020-07-28 18:59:19,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:19,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:19,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 180 transitions. [2020-07-28 18:59:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 180 transitions. [2020-07-28 18:59:19,368 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 180 transitions. [2020-07-28 18:59:19,635 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:19,663 INFO L225 Difference]: With dead ends: 119 [2020-07-28 18:59:19,663 INFO L226 Difference]: Without dead ends: 59 [2020-07-28 18:59:19,666 INFO L675 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 [2020-07-28 18:59:19,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-28 18:59:19,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-28 18:59:19,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:19,714 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:19,714 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:19,714 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:19,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,724 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-07-28 18:59:19,724 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-07-28 18:59:19,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,727 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:19,727 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:19,728 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-28 18:59:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,738 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-07-28 18:59:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-07-28 18:59:19,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,740 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:19,740 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:19,742 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-28 18:59:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-07-28 18:59:19,751 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-07-28 18:59:19,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:19,752 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-07-28 18:59:19,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-07-28 18:59:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:19,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:19,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:19,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:19,756 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:19,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:19,757 INFO L82 PathProgramCache]: Analyzing trace with hash 583909382, now seen corresponding path program 1 times [2020-07-28 18:59:19,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:19,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092926409] [2020-07-28 18:59:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:19,997 INFO L280 TraceCheckUtils]: 0: Hoare triple {441#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {441#true} is VALID [2020-07-28 18:59:19,998 INFO L280 TraceCheckUtils]: 1: Hoare triple {441#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {441#true} is VALID [2020-07-28 18:59:19,998 INFO L280 TraceCheckUtils]: 2: Hoare triple {441#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {441#true} is VALID [2020-07-28 18:59:19,998 INFO L280 TraceCheckUtils]: 3: Hoare triple {441#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {441#true} is VALID [2020-07-28 18:59:19,999 INFO L280 TraceCheckUtils]: 4: Hoare triple {441#true} assume 0 != main_~tmp~6; {441#true} is VALID [2020-07-28 18:59:19,999 INFO L280 TraceCheckUtils]: 5: Hoare triple {441#true} ~methAndRunningLastTime~0 := 0; {441#true} is VALID [2020-07-28 18:59:20,001 INFO L280 TraceCheckUtils]: 6: Hoare triple {441#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {443#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:20,004 INFO L280 TraceCheckUtils]: 7: Hoare triple {443#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {443#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:20,006 INFO L280 TraceCheckUtils]: 8: Hoare triple {443#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {442#false} is VALID [2020-07-28 18:59:20,006 INFO L280 TraceCheckUtils]: 9: Hoare triple {442#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {442#false} is VALID [2020-07-28 18:59:20,006 INFO L280 TraceCheckUtils]: 10: Hoare triple {442#false} assume !(0 != ~pumpRunning~0); {442#false} is VALID [2020-07-28 18:59:20,007 INFO L280 TraceCheckUtils]: 11: Hoare triple {442#false} assume 0 != ~systemActive~0; {442#false} is VALID [2020-07-28 18:59:20,007 INFO L280 TraceCheckUtils]: 12: Hoare triple {442#false} havoc __utac_acc__Specification2_spec__2_#t~ret23, __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {442#false} is VALID [2020-07-28 18:59:20,007 INFO L280 TraceCheckUtils]: 13: Hoare triple {442#false} __utac_acc__Specification2_spec__2_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret23 && __utac_acc__Specification2_spec__2_#t~ret23 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret23;havoc __utac_acc__Specification2_spec__2_#t~ret23; {442#false} is VALID [2020-07-28 18:59:20,008 INFO L280 TraceCheckUtils]: 14: Hoare triple {442#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {442#false} is VALID [2020-07-28 18:59:20,008 INFO L280 TraceCheckUtils]: 15: Hoare triple {442#false} __utac_acc__Specification2_spec__2_#t~ret24 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret24 && __utac_acc__Specification2_spec__2_#t~ret24 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret24;havoc __utac_acc__Specification2_spec__2_#t~ret24; {442#false} is VALID [2020-07-28 18:59:20,009 INFO L280 TraceCheckUtils]: 16: Hoare triple {442#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {442#false} is VALID [2020-07-28 18:59:20,009 INFO L280 TraceCheckUtils]: 17: Hoare triple {442#false} assume 0 != ~methAndRunningLastTime~0; {442#false} is VALID [2020-07-28 18:59:20,009 INFO L280 TraceCheckUtils]: 18: Hoare triple {442#false} assume !false; {442#false} is VALID [2020-07-28 18:59:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:20,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092926409] [2020-07-28 18:59:20,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:20,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:20,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034491905] [2020-07-28 18:59:20,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:20,018 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:20,018 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:20,050 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:20,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:20,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:20,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:20,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:20,052 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2020-07-28 18:59:20,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:20,227 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-07-28 18:59:20,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:20,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:20,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2020-07-28 18:59:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2020-07-28 18:59:20,232 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 82 transitions. [2020-07-28 18:59:20,357 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:20,359 INFO L225 Difference]: With dead ends: 59 [2020-07-28 18:59:20,359 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 18:59:20,362 INFO L675 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 [2020-07-28 18:59:20,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 18:59:20,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 18:59:20,384 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:20,384 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:20,384 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:20,385 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:20,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:20,389 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 18:59:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:59:20,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:20,390 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:20,390 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:20,390 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 18:59:20,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:20,392 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 18:59:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:59:20,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:20,393 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:20,394 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:20,394 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 18:59:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 18:59:20,400 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-07-28 18:59:20,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:20,401 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 18:59:20,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:59:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:20,404 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:20,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:20,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:20,405 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:20,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:20,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2020-07-28 18:59:20,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:20,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079072412] [2020-07-28 18:59:20,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:20,608 INFO L280 TraceCheckUtils]: 0: Hoare triple {636#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,610 INFO L280 TraceCheckUtils]: 2: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,611 INFO L280 TraceCheckUtils]: 3: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,612 INFO L280 TraceCheckUtils]: 4: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~6; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,613 INFO L280 TraceCheckUtils]: 5: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,614 INFO L280 TraceCheckUtils]: 6: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,615 INFO L280 TraceCheckUtils]: 7: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume !false; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,617 INFO L280 TraceCheckUtils]: 8: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,618 INFO L280 TraceCheckUtils]: 9: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,619 INFO L280 TraceCheckUtils]: 10: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~0); {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,620 INFO L280 TraceCheckUtils]: 11: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,621 INFO L280 TraceCheckUtils]: 12: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,622 INFO L280 TraceCheckUtils]: 13: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,623 INFO L280 TraceCheckUtils]: 14: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,627 INFO L280 TraceCheckUtils]: 15: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,628 INFO L280 TraceCheckUtils]: 16: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0; {638#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:20,629 INFO L280 TraceCheckUtils]: 17: Hoare triple {638#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret23, __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {639#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:20,631 INFO L280 TraceCheckUtils]: 18: Hoare triple {639#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret23 && __utac_acc__Specification2_spec__2_#t~ret23 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret23;havoc __utac_acc__Specification2_spec__2_#t~ret23; {640#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~2)} is VALID [2020-07-28 18:59:20,632 INFO L280 TraceCheckUtils]: 19: Hoare triple {640#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~2)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {637#false} is VALID [2020-07-28 18:59:20,632 INFO L280 TraceCheckUtils]: 20: Hoare triple {637#false} __utac_acc__Specification2_spec__2_#t~ret24 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret24 && __utac_acc__Specification2_spec__2_#t~ret24 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret24;havoc __utac_acc__Specification2_spec__2_#t~ret24; {637#false} is VALID [2020-07-28 18:59:20,632 INFO L280 TraceCheckUtils]: 21: Hoare triple {637#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {637#false} is VALID [2020-07-28 18:59:20,633 INFO L280 TraceCheckUtils]: 22: Hoare triple {637#false} assume 0 != ~methAndRunningLastTime~0; {637#false} is VALID [2020-07-28 18:59:20,633 INFO L280 TraceCheckUtils]: 23: Hoare triple {637#false} assume !false; {637#false} is VALID [2020-07-28 18:59:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:20,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079072412] [2020-07-28 18:59:20,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:20,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:20,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599898058] [2020-07-28 18:59:20,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:20,639 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:20,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:20,691 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:20,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:20,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:20,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:20,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:20,692 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-07-28 18:59:21,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:21,376 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2020-07-28 18:59:21,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:21,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:21,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:21,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2020-07-28 18:59:21,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 193 transitions. [2020-07-28 18:59:21,384 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 193 transitions. [2020-07-28 18:59:21,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 193 edges. 193 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:21,629 INFO L225 Difference]: With dead ends: 126 [2020-07-28 18:59:21,629 INFO L226 Difference]: Without dead ends: 102 [2020-07-28 18:59:21,630 INFO L675 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 [2020-07-28 18:59:21,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-28 18:59:21,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2020-07-28 18:59:21,665 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:21,665 INFO L82 GeneralOperation]: Start isEquivalent. First operand 102 states. Second operand 50 states. [2020-07-28 18:59:21,666 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 50 states. [2020-07-28 18:59:21,666 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 50 states. [2020-07-28 18:59:21,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:21,671 INFO L93 Difference]: Finished difference Result 102 states and 154 transitions. [2020-07-28 18:59:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2020-07-28 18:59:21,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:21,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:21,672 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 102 states. [2020-07-28 18:59:21,672 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 102 states. [2020-07-28 18:59:21,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:21,678 INFO L93 Difference]: Finished difference Result 102 states and 154 transitions. [2020-07-28 18:59:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2020-07-28 18:59:21,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:21,679 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:21,679 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:21,679 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-28 18:59:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2020-07-28 18:59:21,682 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2020-07-28 18:59:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:21,682 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2020-07-28 18:59:21,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2020-07-28 18:59:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:21,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:21,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:21,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:21,684 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:21,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:21,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2020-07-28 18:59:21,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:21,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452303915] [2020-07-28 18:59:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:21,767 INFO L280 TraceCheckUtils]: 0: Hoare triple {1106#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {1108#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,769 INFO L280 TraceCheckUtils]: 2: Hoare triple {1108#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,769 INFO L280 TraceCheckUtils]: 3: Hoare triple {1108#(= 0 ~pumpRunning~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,770 INFO L280 TraceCheckUtils]: 4: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,771 INFO L280 TraceCheckUtils]: 5: Hoare triple {1108#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,771 INFO L280 TraceCheckUtils]: 6: Hoare triple {1108#(= 0 ~pumpRunning~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,772 INFO L280 TraceCheckUtils]: 7: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume !false; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,773 INFO L280 TraceCheckUtils]: 8: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,773 INFO L280 TraceCheckUtils]: 9: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,774 INFO L280 TraceCheckUtils]: 10: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,774 INFO L280 TraceCheckUtils]: 11: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,775 INFO L280 TraceCheckUtils]: 12: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,776 INFO L280 TraceCheckUtils]: 13: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,777 INFO L280 TraceCheckUtils]: 14: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,777 INFO L280 TraceCheckUtils]: 15: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,778 INFO L280 TraceCheckUtils]: 16: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,778 INFO L280 TraceCheckUtils]: 17: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,779 INFO L280 TraceCheckUtils]: 18: Hoare triple {1108#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret23, __utac_acc__Specification2_spec__2_#t~ret24, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,780 INFO L280 TraceCheckUtils]: 19: Hoare triple {1108#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret23 && __utac_acc__Specification2_spec__2_#t~ret23 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret23;havoc __utac_acc__Specification2_spec__2_#t~ret23; {1108#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:21,781 INFO L280 TraceCheckUtils]: 20: Hoare triple {1108#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1109#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:21,782 INFO L280 TraceCheckUtils]: 21: Hoare triple {1109#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret24 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret24 && __utac_acc__Specification2_spec__2_#t~ret24 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret24;havoc __utac_acc__Specification2_spec__2_#t~ret24; {1110#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} is VALID [2020-07-28 18:59:21,782 INFO L280 TraceCheckUtils]: 22: Hoare triple {1110#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {1107#false} is VALID [2020-07-28 18:59:21,783 INFO L280 TraceCheckUtils]: 23: Hoare triple {1107#false} assume 0 != ~methAndRunningLastTime~0; {1107#false} is VALID [2020-07-28 18:59:21,783 INFO L280 TraceCheckUtils]: 24: Hoare triple {1107#false} assume !false; {1107#false} is VALID [2020-07-28 18:59:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:21,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452303915] [2020-07-28 18:59:21,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:21,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:21,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915057496] [2020-07-28 18:59:21,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:21,786 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:21,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:21,828 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:21,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:21,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:21,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:21,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:21,830 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 5 states. [2020-07-28 18:59:22,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:22,283 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2020-07-28 18:59:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:22,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:22,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2020-07-28 18:59:22,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:22,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2020-07-28 18:59:22,290 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 127 transitions. [2020-07-28 18:59:22,444 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:22,445 INFO L225 Difference]: With dead ends: 148 [2020-07-28 18:59:22,445 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:22,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:22,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:22,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:22,447 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:22,447 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:22,447 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:22,447 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:22,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:22,448 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:22,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:22,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:22,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:22,450 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:22,450 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:22,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:22,450 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:22,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:22,451 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:22,451 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:22,451 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:22,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:22,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-07-28 18:59:22,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:22,452 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:22,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:22,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:22,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:22,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:22,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:22,665 INFO L264 CegarLoopResult]: At program point L316(lines 311 318) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2020-07-28 18:59:22,666 INFO L264 CegarLoopResult]: At program point L168(lines 167 186) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,666 INFO L268 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-07-28 18:59:22,666 INFO L264 CegarLoopResult]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2020-07-28 18:59:22,666 INFO L264 CegarLoopResult]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2020-07-28 18:59:22,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:22,667 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-28 18:59:22,667 INFO L268 CegarLoopResult]: For program point L434-1(line 434) no Hoare annotation was computed. [2020-07-28 18:59:22,667 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-07-28 18:59:22,667 INFO L268 CegarLoopResult]: For program point L434-2(line 434) no Hoare annotation was computed. [2020-07-28 18:59:22,667 INFO L268 CegarLoopResult]: For program point L104(lines 104 110) no Hoare annotation was computed. [2020-07-28 18:59:22,667 INFO L264 CegarLoopResult]: At program point L104-1(lines 104 110) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,667 INFO L271 CegarLoopResult]: At program point L897(lines 878 900) the Hoare annotation is: true [2020-07-28 18:59:22,667 INFO L264 CegarLoopResult]: At program point L864(lines 860 866) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,668 INFO L264 CegarLoopResult]: At program point L816-2(lines 816 830) the Hoare annotation is: false [2020-07-28 18:59:22,668 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,668 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-28 18:59:22,668 INFO L268 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2020-07-28 18:59:22,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:22,668 INFO L264 CegarLoopResult]: At program point L289-1(lines 289 295) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,668 INFO L268 CegarLoopResult]: For program point L124(lines 124 139) no Hoare annotation was computed. [2020-07-28 18:59:22,668 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-07-28 18:59:22,668 INFO L268 CegarLoopResult]: For program point L356-3(lines 356 360) no Hoare annotation was computed. [2020-07-28 18:59:22,669 INFO L268 CegarLoopResult]: For program point L356-6(lines 356 360) no Hoare annotation was computed. [2020-07-28 18:59:22,669 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2020-07-28 18:59:22,669 INFO L264 CegarLoopResult]: At program point L175(lines 175 181) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,669 INFO L264 CegarLoopResult]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2020-07-28 18:59:22,669 INFO L264 CegarLoopResult]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2020-07-28 18:59:22,669 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-07-28 18:59:22,669 INFO L268 CegarLoopResult]: For program point L820-1(lines 168 174) no Hoare annotation was computed. [2020-07-28 18:59:22,670 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:22,670 INFO L264 CegarLoopResult]: At program point L144(lines 93 145) the Hoare annotation is: false [2020-07-28 18:59:22,670 INFO L268 CegarLoopResult]: For program point L95(lines 94 143) no Hoare annotation was computed. [2020-07-28 18:59:22,670 INFO L268 CegarLoopResult]: For program point L888(lines 888 895) no Hoare annotation was computed. [2020-07-28 18:59:22,670 INFO L271 CegarLoopResult]: At program point L888-1(lines 888 895) the Hoare annotation is: true [2020-07-28 18:59:22,670 INFO L264 CegarLoopResult]: At program point L393(lines 388 396) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,670 INFO L264 CegarLoopResult]: At program point L393-1(lines 388 396) the Hoare annotation is: false [2020-07-28 18:59:22,670 INFO L268 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2020-07-28 18:59:22,671 INFO L264 CegarLoopResult]: At program point L393-2(lines 388 396) the Hoare annotation is: false [2020-07-28 18:59:22,671 INFO L264 CegarLoopResult]: At program point L327-1(lines 1 900) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,671 INFO L268 CegarLoopResult]: For program point L327-2(lines 327 344) no Hoare annotation was computed. [2020-07-28 18:59:22,671 INFO L264 CegarLoopResult]: At program point L327-3(lines 1 900) the Hoare annotation is: false [2020-07-28 18:59:22,671 INFO L268 CegarLoopResult]: For program point L327-4(lines 327 344) no Hoare annotation was computed. [2020-07-28 18:59:22,671 INFO L264 CegarLoopResult]: At program point L327-5(lines 1 900) the Hoare annotation is: false [2020-07-28 18:59:22,671 INFO L268 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-07-28 18:59:22,671 INFO L264 CegarLoopResult]: At program point L245(lines 240 248) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,672 INFO L264 CegarLoopResult]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2020-07-28 18:59:22,672 INFO L264 CegarLoopResult]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2020-07-28 18:59:22,672 INFO L268 CegarLoopResult]: For program point L114(lines 114 120) no Hoare annotation was computed. [2020-07-28 18:59:22,672 INFO L264 CegarLoopResult]: At program point L114-1(lines 114 120) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,672 INFO L264 CegarLoopResult]: At program point L65(lines 1 900) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,672 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:22,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2020-07-28 18:59:22,673 INFO L268 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-07-28 18:59:22,673 INFO L264 CegarLoopResult]: At program point L132-1(lines 168 174) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:22,673 INFO L268 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-07-28 18:59:22,673 INFO L268 CegarLoopResult]: For program point L331(lines 331 341) no Hoare annotation was computed. [2020-07-28 18:59:22,673 INFO L268 CegarLoopResult]: For program point L331-2(lines 331 341) no Hoare annotation was computed. [2020-07-28 18:59:22,673 INFO L268 CegarLoopResult]: For program point L331-4(lines 331 341) no Hoare annotation was computed. [2020-07-28 18:59:22,673 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-07-28 18:59:22,673 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 338) no Hoare annotation was computed. [2020-07-28 18:59:22,673 INFO L268 CegarLoopResult]: For program point L332-4(lines 332 338) no Hoare annotation was computed. [2020-07-28 18:59:22,677 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:22,677 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:22,678 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:59:22,678 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:59:22,678 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:59:22,679 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:22,680 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 18:59:22,680 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:22,680 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2020-07-28 18:59:22,680 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 18:59:22,680 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 18:59:22,680 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2020-07-28 18:59:22,680 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L356-3 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L356-3 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L327-2 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 18:59:22,681 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L327-2 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L327-2 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L331-2 has no Hoare annotation [2020-07-28 18:59:22,682 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-28 18:59:22,683 WARN L170 areAnnotationChecker]: L356 has no Hoare annotation [2020-07-28 18:59:22,683 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 18:59:22,683 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 18:59:22,683 WARN L170 areAnnotationChecker]: L332-2 has no Hoare annotation [2020-07-28 18:59:22,683 WARN L170 areAnnotationChecker]: L332-2 has no Hoare annotation [2020-07-28 18:59:22,683 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-28 18:59:22,684 WARN L170 areAnnotationChecker]: L356 has no Hoare annotation [2020-07-28 18:59:22,684 WARN L170 areAnnotationChecker]: L356 has no Hoare annotation [2020-07-28 18:59:22,684 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 18:59:22,685 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 18:59:22,685 WARN L170 areAnnotationChecker]: L434-1 has no Hoare annotation [2020-07-28 18:59:22,685 WARN L170 areAnnotationChecker]: L434-1 has no Hoare annotation [2020-07-28 18:59:22,685 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-28 18:59:22,685 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-28 18:59:22,686 WARN L170 areAnnotationChecker]: L820-1 has no Hoare annotation [2020-07-28 18:59:22,686 WARN L170 areAnnotationChecker]: L820-1 has no Hoare annotation [2020-07-28 18:59:22,686 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 18:59:22,686 WARN L170 areAnnotationChecker]: L356-6 has no Hoare annotation [2020-07-28 18:59:22,686 WARN L170 areAnnotationChecker]: L356-6 has no Hoare annotation [2020-07-28 18:59:22,686 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 18:59:22,686 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 18:59:22,686 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L327-4 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L331 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L327-4 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L327-4 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L331-4 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-28 18:59:22,687 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-28 18:59:22,688 WARN L170 areAnnotationChecker]: L331-4 has no Hoare annotation [2020-07-28 18:59:22,688 WARN L170 areAnnotationChecker]: L331-4 has no Hoare annotation [2020-07-28 18:59:22,688 WARN L170 areAnnotationChecker]: L332-4 has no Hoare annotation [2020-07-28 18:59:22,688 WARN L170 areAnnotationChecker]: L332-4 has no Hoare annotation [2020-07-28 18:59:22,688 WARN L170 areAnnotationChecker]: L434-2 has no Hoare annotation [2020-07-28 18:59:22,688 WARN L170 areAnnotationChecker]: L434-2 has no Hoare annotation [2020-07-28 18:59:22,688 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:22,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:22 BoogieIcfgContainer [2020-07-28 18:59:22,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:22,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:22,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:22,709 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:22,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:18" (3/4) ... [2020-07-28 18:59:22,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:22,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:22,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:22,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:22,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:22,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:22,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:22,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:22,760 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:59:22,814 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:22,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:22,817 INFO L168 Benchmark]: Toolchain (without parser) took 6371.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 960.2 MB in the beginning and 923.9 MB in the end (delta: 36.3 MB). Peak memory consumption was 227.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,817 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:22,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:22,818 INFO L168 Benchmark]: Boogie Preprocessor took 77.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,819 INFO L168 Benchmark]: RCFGBuilder took 1307.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.9 MB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,819 INFO L168 Benchmark]: TraceAbstraction took 4100.68 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 954.9 MB in the beginning and 923.9 MB in the end (delta: 31.0 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,820 INFO L168 Benchmark]: Witness Printer took 108.79 ms. Allocated memory is still 1.2 GB. Free memory is still 923.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:22,822 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 664.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1307.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.9 MB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4100.68 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 954.9 MB in the beginning and 923.9 MB in the end (delta: 31.0 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * Witness Printer took 108.79 ms. Allocated memory is still 1.2 GB. Free memory is still 923.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 245 SDtfs, 231 SDslu, 265 SDs, 0 SdLazy, 40 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...