./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product35.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_spec3_product35.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 75ad40de7ac44b78584ba916fa204e981921222d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:36,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:36,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:36,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:36,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:36,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:36,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:36,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:36,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:36,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:36,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:36,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:36,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:36,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:36,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:36,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:36,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:36,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:36,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:36,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:37,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:37,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:37,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:37,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:37,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:37,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:37,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:37,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:37,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:37,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:37,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:37,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:37,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:37,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:37,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:37,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:37,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:37,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:37,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:37,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:37,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:37,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:37,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:37,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:37,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:37,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:37,051 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:37,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:37,051 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:37,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:37,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:37,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:37,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:37,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:37,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:37,054 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:37,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:37,054 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:37,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:37,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:37,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:37,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:37,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:37,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:37,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:37,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:37,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:37,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:37,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:37,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:37,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:37,058 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 -> 75ad40de7ac44b78584ba916fa204e981921222d [2020-07-28 19:01:37,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:37,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:37,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:37,436 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:37,437 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:37,437 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c [2020-07-28 19:01:37,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b22c6fb0/51351da56c624ef7b64ad2c25ebf33d9/FLAG9bf12d0cd [2020-07-28 19:01:38,080 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:38,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c [2020-07-28 19:01:38,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b22c6fb0/51351da56c624ef7b64ad2c25ebf33d9/FLAG9bf12d0cd [2020-07-28 19:01:38,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b22c6fb0/51351da56c624ef7b64ad2c25ebf33d9 [2020-07-28 19:01:38,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:38,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:38,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:38,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:38,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:38,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4833bc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38, skipping insertion in model container [2020-07-28 19:01:38,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:38,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:38,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:38,891 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:39,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:39,061 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:39,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39 WrapperNode [2020-07-28 19:01:39,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:39,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:39,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:39,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:39,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:39,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:39,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:39,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:39,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:39,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:39,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:39,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:39,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (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 19:01:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:39,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:40,709 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:40,709 INFO L295 CfgBuilder]: Removed 106 assume(true) statements. [2020-07-28 19:01:40,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:40 BoogieIcfgContainer [2020-07-28 19:01:40,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:40,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:40,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:40,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:40,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:38" (1/3) ... [2020-07-28 19:01:40,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778bf5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:40, skipping insertion in model container [2020-07-28 19:01:40,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39" (2/3) ... [2020-07-28 19:01:40,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778bf5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:40, skipping insertion in model container [2020-07-28 19:01:40,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:40" (3/3) ... [2020-07-28 19:01:40,723 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product35.cil.c [2020-07-28 19:01:40,733 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:40,740 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:40,753 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:40,778 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:40,778 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:40,779 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:40,779 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:40,779 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:40,779 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:40,780 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:40,780 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2020-07-28 19:01:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:40,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:40,806 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 19:01:40,806 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:40,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:40,813 INFO L82 PathProgramCache]: Analyzing trace with hash 625606487, now seen corresponding path program 1 times [2020-07-28 19:01:40,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:40,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907864188] [2020-07-28 19:01:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:41,161 INFO L280 TraceCheckUtils]: 0: Hoare triple {89#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);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);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {89#true} is VALID [2020-07-28 19:01:41,163 INFO L280 TraceCheckUtils]: 1: Hoare triple {89#true} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {89#true} is VALID [2020-07-28 19:01:41,163 INFO L280 TraceCheckUtils]: 2: Hoare triple {89#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {89#true} is VALID [2020-07-28 19:01:41,164 INFO L280 TraceCheckUtils]: 3: Hoare triple {89#true} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~4 := main_#t~ret26;havoc main_#t~ret26; {89#true} is VALID [2020-07-28 19:01:41,164 INFO L280 TraceCheckUtils]: 4: Hoare triple {89#true} assume 0 != main_~tmp~4; {89#true} is VALID [2020-07-28 19:01:41,165 INFO L280 TraceCheckUtils]: 5: Hoare triple {89#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; {89#true} is VALID [2020-07-28 19:01:41,166 INFO L280 TraceCheckUtils]: 6: Hoare triple {89#true} assume !true; {90#false} is VALID [2020-07-28 19:01:41,167 INFO L280 TraceCheckUtils]: 7: Hoare triple {90#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {90#false} is VALID [2020-07-28 19:01:41,167 INFO L280 TraceCheckUtils]: 8: Hoare triple {90#false} assume !(0 != ~pumpRunning~0); {90#false} is VALID [2020-07-28 19:01:41,167 INFO L280 TraceCheckUtils]: 9: Hoare triple {90#false} assume !(0 != ~systemActive~0); {90#false} is VALID [2020-07-28 19:01:41,168 INFO L280 TraceCheckUtils]: 10: Hoare triple {90#false} havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {90#false} is VALID [2020-07-28 19:01:41,168 INFO L280 TraceCheckUtils]: 11: Hoare triple {90#false} __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret23 && __utac_acc__Specification3_spec__1_#t~ret23 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; {90#false} is VALID [2020-07-28 19:01:41,169 INFO L280 TraceCheckUtils]: 12: Hoare triple {90#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {90#false} is VALID [2020-07-28 19:01:41,169 INFO L280 TraceCheckUtils]: 13: Hoare triple {90#false} __utac_acc__Specification3_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret24 && __utac_acc__Specification3_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; {90#false} is VALID [2020-07-28 19:01:41,170 INFO L280 TraceCheckUtils]: 14: Hoare triple {90#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {90#false} is VALID [2020-07-28 19:01:41,170 INFO L280 TraceCheckUtils]: 15: Hoare triple {90#false} __utac_acc__Specification3_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret25 && __utac_acc__Specification3_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; {90#false} is VALID [2020-07-28 19:01:41,171 INFO L280 TraceCheckUtils]: 16: Hoare triple {90#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {90#false} is VALID [2020-07-28 19:01:41,171 INFO L280 TraceCheckUtils]: 17: Hoare triple {90#false} assume !false; {90#false} is VALID [2020-07-28 19:01:41,176 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 19:01:41,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907864188] [2020-07-28 19:01:41,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:41,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:41,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694304311] [2020-07-28 19:01:41,186 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:41,187 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:41,192 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:41,237 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 19:01:41,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:41,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:41,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:41,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:41,250 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 2 states. [2020-07-28 19:01:41,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:41,571 INFO L93 Difference]: Finished difference Result 166 states and 251 transitions. [2020-07-28 19:01:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:41,572 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:41,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:41,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 251 transitions. [2020-07-28 19:01:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 251 transitions. [2020-07-28 19:01:41,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 251 transitions. [2020-07-28 19:01:41,977 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 251 edges. 251 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:41,992 INFO L225 Difference]: With dead ends: 166 [2020-07-28 19:01:41,992 INFO L226 Difference]: Without dead ends: 82 [2020-07-28 19:01:41,996 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 19:01:42,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-07-28 19:01:42,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-07-28 19:01:42,054 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:42,055 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:42,055 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:42,056 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:42,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,063 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2020-07-28 19:01:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2020-07-28 19:01:42,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:42,065 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:42,065 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:42,066 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:42,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,072 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2020-07-28 19:01:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2020-07-28 19:01:42,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:42,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:42,074 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:42,074 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-28 19:01:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 117 transitions. [2020-07-28 19:01:42,081 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 117 transitions. Word has length 18 [2020-07-28 19:01:42,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:42,082 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 117 transitions. [2020-07-28 19:01:42,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2020-07-28 19:01:42,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:42,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:42,084 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 19:01:42,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:42,085 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:42,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:42,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1306218461, now seen corresponding path program 1 times [2020-07-28 19:01:42,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:42,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429302675] [2020-07-28 19:01:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:42,229 INFO L280 TraceCheckUtils]: 0: Hoare triple {605#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);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);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {605#true} is VALID [2020-07-28 19:01:42,230 INFO L280 TraceCheckUtils]: 1: Hoare triple {605#true} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {605#true} is VALID [2020-07-28 19:01:42,230 INFO L280 TraceCheckUtils]: 2: Hoare triple {605#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {605#true} is VALID [2020-07-28 19:01:42,231 INFO L280 TraceCheckUtils]: 3: Hoare triple {605#true} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~4 := main_#t~ret26;havoc main_#t~ret26; {605#true} is VALID [2020-07-28 19:01:42,231 INFO L280 TraceCheckUtils]: 4: Hoare triple {605#true} assume 0 != main_~tmp~4; {605#true} is VALID [2020-07-28 19:01:42,233 INFO L280 TraceCheckUtils]: 5: Hoare triple {605#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; {607#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:42,233 INFO L280 TraceCheckUtils]: 6: Hoare triple {607#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {607#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:42,234 INFO L280 TraceCheckUtils]: 7: Hoare triple {607#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {606#false} is VALID [2020-07-28 19:01:42,235 INFO L280 TraceCheckUtils]: 8: Hoare triple {606#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {606#false} is VALID [2020-07-28 19:01:42,235 INFO L280 TraceCheckUtils]: 9: Hoare triple {606#false} assume !(0 != ~pumpRunning~0); {606#false} is VALID [2020-07-28 19:01:42,235 INFO L280 TraceCheckUtils]: 10: Hoare triple {606#false} assume !(0 != ~systemActive~0); {606#false} is VALID [2020-07-28 19:01:42,236 INFO L280 TraceCheckUtils]: 11: Hoare triple {606#false} havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {606#false} is VALID [2020-07-28 19:01:42,236 INFO L280 TraceCheckUtils]: 12: Hoare triple {606#false} __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret23 && __utac_acc__Specification3_spec__1_#t~ret23 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; {606#false} is VALID [2020-07-28 19:01:42,236 INFO L280 TraceCheckUtils]: 13: Hoare triple {606#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {606#false} is VALID [2020-07-28 19:01:42,237 INFO L280 TraceCheckUtils]: 14: Hoare triple {606#false} __utac_acc__Specification3_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret24 && __utac_acc__Specification3_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; {606#false} is VALID [2020-07-28 19:01:42,237 INFO L280 TraceCheckUtils]: 15: Hoare triple {606#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {606#false} is VALID [2020-07-28 19:01:42,238 INFO L280 TraceCheckUtils]: 16: Hoare triple {606#false} __utac_acc__Specification3_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret25 && __utac_acc__Specification3_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; {606#false} is VALID [2020-07-28 19:01:42,238 INFO L280 TraceCheckUtils]: 17: Hoare triple {606#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {606#false} is VALID [2020-07-28 19:01:42,238 INFO L280 TraceCheckUtils]: 18: Hoare triple {606#false} assume !false; {606#false} is VALID [2020-07-28 19:01:42,240 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 19:01:42,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429302675] [2020-07-28 19:01:42,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:42,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:42,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337416066] [2020-07-28 19:01:42,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:42,243 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:42,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:42,274 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 19:01:42,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:42,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:42,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:42,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:42,276 INFO L87 Difference]: Start difference. First operand 82 states and 117 transitions. Second operand 3 states. [2020-07-28 19:01:42,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,534 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2020-07-28 19:01:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:42,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:42,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:42,541 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 117 transitions. [2020-07-28 19:01:42,752 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:42,754 INFO L225 Difference]: With dead ends: 82 [2020-07-28 19:01:42,754 INFO L226 Difference]: Without dead ends: 38 [2020-07-28 19:01:42,756 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 19:01:42,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-28 19:01:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-28 19:01:42,777 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:42,777 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:42,778 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:42,778 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:42,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,780 INFO L93 Difference]: Finished difference Result 38 states and 54 transitions. [2020-07-28 19:01:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2020-07-28 19:01:42,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:42,782 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:42,782 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:42,782 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:42,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,785 INFO L93 Difference]: Finished difference Result 38 states and 54 transitions. [2020-07-28 19:01:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2020-07-28 19:01:42,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:42,788 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:42,788 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:42,788 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-28 19:01:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 54 transitions. [2020-07-28 19:01:42,791 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 54 transitions. Word has length 19 [2020-07-28 19:01:42,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:42,791 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 54 transitions. [2020-07-28 19:01:42,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2020-07-28 19:01:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:42,798 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:42,799 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 19:01:42,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:42,801 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:42,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:42,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1411810196, now seen corresponding path program 1 times [2020-07-28 19:01:42,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:42,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111131640] [2020-07-28 19:01:42,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:42,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {854#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);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);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {856#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:42,974 INFO L280 TraceCheckUtils]: 1: Hoare triple {856#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {856#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:42,976 INFO L280 TraceCheckUtils]: 2: Hoare triple {856#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {857#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:01:42,978 INFO L280 TraceCheckUtils]: 3: Hoare triple {857#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~4 := main_#t~ret26;havoc main_#t~ret26; {858#(= ULTIMATE.start_main_~tmp~4 ~systemActive~0)} is VALID [2020-07-28 19:01:42,979 INFO L280 TraceCheckUtils]: 4: Hoare triple {858#(= ULTIMATE.start_main_~tmp~4 ~systemActive~0)} assume 0 != main_~tmp~4; {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,981 INFO L280 TraceCheckUtils]: 5: Hoare triple {859#(not (= 0 ~systemActive~0))} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,982 INFO L280 TraceCheckUtils]: 6: Hoare triple {859#(not (= 0 ~systemActive~0))} assume !false; {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,983 INFO L280 TraceCheckUtils]: 7: Hoare triple {859#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,985 INFO L280 TraceCheckUtils]: 8: Hoare triple {859#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,986 INFO L280 TraceCheckUtils]: 9: Hoare triple {859#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~0); {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,987 INFO L280 TraceCheckUtils]: 10: Hoare triple {859#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,988 INFO L280 TraceCheckUtils]: 11: Hoare triple {859#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0); {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,989 INFO L280 TraceCheckUtils]: 12: Hoare triple {859#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,990 INFO L280 TraceCheckUtils]: 13: Hoare triple {859#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,992 INFO L280 TraceCheckUtils]: 14: Hoare triple {859#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {859#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:42,993 INFO L280 TraceCheckUtils]: 15: Hoare triple {859#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {855#false} is VALID [2020-07-28 19:01:42,994 INFO L280 TraceCheckUtils]: 16: Hoare triple {855#false} havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {855#false} is VALID [2020-07-28 19:01:42,994 INFO L280 TraceCheckUtils]: 17: Hoare triple {855#false} __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret23 && __utac_acc__Specification3_spec__1_#t~ret23 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; {855#false} is VALID [2020-07-28 19:01:42,994 INFO L280 TraceCheckUtils]: 18: Hoare triple {855#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {855#false} is VALID [2020-07-28 19:01:42,995 INFO L280 TraceCheckUtils]: 19: Hoare triple {855#false} __utac_acc__Specification3_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret24 && __utac_acc__Specification3_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; {855#false} is VALID [2020-07-28 19:01:42,995 INFO L280 TraceCheckUtils]: 20: Hoare triple {855#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {855#false} is VALID [2020-07-28 19:01:42,995 INFO L280 TraceCheckUtils]: 21: Hoare triple {855#false} __utac_acc__Specification3_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret25 && __utac_acc__Specification3_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; {855#false} is VALID [2020-07-28 19:01:42,996 INFO L280 TraceCheckUtils]: 22: Hoare triple {855#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {855#false} is VALID [2020-07-28 19:01:42,996 INFO L280 TraceCheckUtils]: 23: Hoare triple {855#false} assume !false; {855#false} is VALID [2020-07-28 19:01:42,998 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 19:01:42,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111131640] [2020-07-28 19:01:42,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:42,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:42,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845333872] [2020-07-28 19:01:42,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:01:43,000 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:43,000 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:01:43,078 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 19:01:43,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:01:43,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:43,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:01:43,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:01:43,080 INFO L87 Difference]: Start difference. First operand 38 states and 54 transitions. Second operand 6 states. [2020-07-28 19:01:43,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:43,897 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2020-07-28 19:01:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:01:43,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:01:43,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:01:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 187 transitions. [2020-07-28 19:01:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:01:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 187 transitions. [2020-07-28 19:01:43,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 187 transitions. [2020-07-28 19:01:44,139 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 187 edges. 187 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:44,142 INFO L225 Difference]: With dead ends: 127 [2020-07-28 19:01:44,143 INFO L226 Difference]: Without dead ends: 95 [2020-07-28 19:01:44,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:44,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-28 19:01:44,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 59. [2020-07-28 19:01:44,199 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:44,199 INFO L82 GeneralOperation]: Start isEquivalent. First operand 95 states. Second operand 59 states. [2020-07-28 19:01:44,199 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 59 states. [2020-07-28 19:01:44,200 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 59 states. [2020-07-28 19:01:44,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,204 INFO L93 Difference]: Finished difference Result 95 states and 137 transitions. [2020-07-28 19:01:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2020-07-28 19:01:44,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:44,205 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:44,205 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 95 states. [2020-07-28 19:01:44,206 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 95 states. [2020-07-28 19:01:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,210 INFO L93 Difference]: Finished difference Result 95 states and 137 transitions. [2020-07-28 19:01:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2020-07-28 19:01:44,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:44,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:44,211 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:44,211 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-28 19:01:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2020-07-28 19:01:44,214 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2020-07-28 19:01:44,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:44,214 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2020-07-28 19:01:44,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:01:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-07-28 19:01:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:44,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:44,216 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 19:01:44,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:44,216 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:44,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:44,217 INFO L82 PathProgramCache]: Analyzing trace with hash -718050600, now seen corresponding path program 1 times [2020-07-28 19:01:44,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:44,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542546140] [2020-07-28 19:01:44,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:44,285 INFO L280 TraceCheckUtils]: 0: Hoare triple {1315#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);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);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,286 INFO L280 TraceCheckUtils]: 1: Hoare triple {1317#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {1317#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,288 INFO L280 TraceCheckUtils]: 3: Hoare triple {1317#(= 0 ~pumpRunning~0)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~4 := main_#t~ret26;havoc main_#t~ret26; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,288 INFO L280 TraceCheckUtils]: 4: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~4; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,289 INFO L280 TraceCheckUtils]: 5: Hoare triple {1317#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,290 INFO L280 TraceCheckUtils]: 6: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume !false; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,291 INFO L280 TraceCheckUtils]: 7: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,291 INFO L280 TraceCheckUtils]: 8: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,292 INFO L280 TraceCheckUtils]: 9: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,293 INFO L280 TraceCheckUtils]: 10: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,293 INFO L280 TraceCheckUtils]: 11: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,294 INFO L280 TraceCheckUtils]: 12: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,295 INFO L280 TraceCheckUtils]: 13: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,295 INFO L280 TraceCheckUtils]: 14: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,296 INFO L280 TraceCheckUtils]: 15: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1317#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:44,297 INFO L280 TraceCheckUtils]: 16: Hoare triple {1317#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1316#false} is VALID [2020-07-28 19:01:44,297 INFO L280 TraceCheckUtils]: 17: Hoare triple {1316#false} havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {1316#false} is VALID [2020-07-28 19:01:44,297 INFO L280 TraceCheckUtils]: 18: Hoare triple {1316#false} __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret23 && __utac_acc__Specification3_spec__1_#t~ret23 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; {1316#false} is VALID [2020-07-28 19:01:44,297 INFO L280 TraceCheckUtils]: 19: Hoare triple {1316#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {1316#false} is VALID [2020-07-28 19:01:44,298 INFO L280 TraceCheckUtils]: 20: Hoare triple {1316#false} __utac_acc__Specification3_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret24 && __utac_acc__Specification3_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; {1316#false} is VALID [2020-07-28 19:01:44,298 INFO L280 TraceCheckUtils]: 21: Hoare triple {1316#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1316#false} is VALID [2020-07-28 19:01:44,298 INFO L280 TraceCheckUtils]: 22: Hoare triple {1316#false} __utac_acc__Specification3_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret25 && __utac_acc__Specification3_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; {1316#false} is VALID [2020-07-28 19:01:44,298 INFO L280 TraceCheckUtils]: 23: Hoare triple {1316#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1316#false} is VALID [2020-07-28 19:01:44,299 INFO L280 TraceCheckUtils]: 24: Hoare triple {1316#false} assume !false; {1316#false} is VALID [2020-07-28 19:01:44,300 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 19:01:44,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542546140] [2020-07-28 19:01:44,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:44,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:44,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835208952] [2020-07-28 19:01:44,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:44,301 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:44,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:44,334 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 19:01:44,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:44,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:44,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:44,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:44,335 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 3 states. [2020-07-28 19:01:44,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,635 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2020-07-28 19:01:44,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:44,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:44,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2020-07-28 19:01:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2020-07-28 19:01:44,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 137 transitions. [2020-07-28 19:01:44,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:44,796 INFO L225 Difference]: With dead ends: 135 [2020-07-28 19:01:44,797 INFO L226 Difference]: Without dead ends: 82 [2020-07-28 19:01:44,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:44,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-07-28 19:01:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2020-07-28 19:01:44,899 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:44,899 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand 80 states. [2020-07-28 19:01:44,900 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 80 states. [2020-07-28 19:01:44,900 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 80 states. [2020-07-28 19:01:44,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,904 INFO L93 Difference]: Finished difference Result 82 states and 115 transitions. [2020-07-28 19:01:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2020-07-28 19:01:44,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:44,904 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:44,905 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 82 states. [2020-07-28 19:01:44,905 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 82 states. [2020-07-28 19:01:44,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,908 INFO L93 Difference]: Finished difference Result 82 states and 115 transitions. [2020-07-28 19:01:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2020-07-28 19:01:44,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:44,908 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:44,909 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:44,909 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-28 19:01:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2020-07-28 19:01:44,912 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 25 [2020-07-28 19:01:44,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:44,912 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2020-07-28 19:01:44,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-07-28 19:01:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:01:44,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:44,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:44,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:44,923 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:44,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:44,923 INFO L82 PathProgramCache]: Analyzing trace with hash -979667415, now seen corresponding path program 1 times [2020-07-28 19:01:44,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:44,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843552114] [2020-07-28 19:01:44,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:45,103 INFO L280 TraceCheckUtils]: 0: Hoare triple {1786#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);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);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,104 INFO L280 TraceCheckUtils]: 1: Hoare triple {1788#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,104 INFO L280 TraceCheckUtils]: 2: Hoare triple {1788#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,105 INFO L280 TraceCheckUtils]: 3: Hoare triple {1788#(= 1 ~waterLevel~0)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~4 := main_#t~ret26;havoc main_#t~ret26; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,107 INFO L280 TraceCheckUtils]: 4: Hoare triple {1788#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,108 INFO L280 TraceCheckUtils]: 5: Hoare triple {1788#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, 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; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,109 INFO L280 TraceCheckUtils]: 6: Hoare triple {1788#(= 1 ~waterLevel~0)} assume !false; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,110 INFO L280 TraceCheckUtils]: 7: Hoare triple {1788#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,111 INFO L280 TraceCheckUtils]: 8: Hoare triple {1788#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,112 INFO L280 TraceCheckUtils]: 9: Hoare triple {1788#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~0); {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,113 INFO L280 TraceCheckUtils]: 10: Hoare triple {1788#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,114 INFO L280 TraceCheckUtils]: 11: Hoare triple {1788#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,115 INFO L280 TraceCheckUtils]: 12: Hoare triple {1788#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,118 INFO L280 TraceCheckUtils]: 13: Hoare triple {1788#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,119 INFO L280 TraceCheckUtils]: 14: Hoare triple {1788#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,120 INFO L280 TraceCheckUtils]: 15: Hoare triple {1788#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,121 INFO L280 TraceCheckUtils]: 16: Hoare triple {1788#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,122 INFO L280 TraceCheckUtils]: 17: Hoare triple {1788#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,123 INFO L280 TraceCheckUtils]: 18: Hoare triple {1788#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,124 INFO L280 TraceCheckUtils]: 19: Hoare triple {1788#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,125 INFO L280 TraceCheckUtils]: 20: Hoare triple {1788#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret23 && __utac_acc__Specification3_spec__1_#t~ret23 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; {1788#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,126 INFO L280 TraceCheckUtils]: 21: Hoare triple {1788#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; {1789#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:45,127 INFO L280 TraceCheckUtils]: 22: Hoare triple {1789#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret24 && __utac_acc__Specification3_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; {1790#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2)} is VALID [2020-07-28 19:01:45,128 INFO L280 TraceCheckUtils]: 23: Hoare triple {1790#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1787#false} is VALID [2020-07-28 19:01:45,129 INFO L280 TraceCheckUtils]: 24: Hoare triple {1787#false} __utac_acc__Specification3_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret25 && __utac_acc__Specification3_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret25;havoc __utac_acc__Specification3_spec__1_#t~ret25; {1787#false} is VALID [2020-07-28 19:01:45,129 INFO L280 TraceCheckUtils]: 25: Hoare triple {1787#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1787#false} is VALID [2020-07-28 19:01:45,129 INFO L280 TraceCheckUtils]: 26: Hoare triple {1787#false} assume !false; {1787#false} is VALID [2020-07-28 19:01:45,131 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 19:01:45,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843552114] [2020-07-28 19:01:45,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:45,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:45,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408969208] [2020-07-28 19:01:45,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:45,132 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:45,133 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:45,179 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:45,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:45,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:45,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:45,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:45,180 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 5 states. [2020-07-28 19:01:46,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:46,412 INFO L93 Difference]: Finished difference Result 427 states and 628 transitions. [2020-07-28 19:01:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:46,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:46,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:46,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 294 transitions. [2020-07-28 19:01:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 294 transitions. [2020-07-28 19:01:46,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 294 transitions. [2020-07-28 19:01:46,777 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 294 edges. 294 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:46,788 INFO L225 Difference]: With dead ends: 427 [2020-07-28 19:01:46,789 INFO L226 Difference]: Without dead ends: 353 [2020-07-28 19:01:46,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:46,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-07-28 19:01:47,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 144. [2020-07-28 19:01:47,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:47,009 INFO L82 GeneralOperation]: Start isEquivalent. First operand 353 states. Second operand 144 states. [2020-07-28 19:01:47,009 INFO L74 IsIncluded]: Start isIncluded. First operand 353 states. Second operand 144 states. [2020-07-28 19:01:47,010 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 144 states. [2020-07-28 19:01:47,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,024 INFO L93 Difference]: Finished difference Result 353 states and 502 transitions. [2020-07-28 19:01:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 502 transitions. [2020-07-28 19:01:47,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:47,026 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:47,026 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 353 states. [2020-07-28 19:01:47,026 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 353 states. [2020-07-28 19:01:47,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,041 INFO L93 Difference]: Finished difference Result 353 states and 502 transitions. [2020-07-28 19:01:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 502 transitions. [2020-07-28 19:01:47,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:47,042 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:47,042 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:47,042 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-28 19:01:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 201 transitions. [2020-07-28 19:01:47,047 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 201 transitions. Word has length 27 [2020-07-28 19:01:47,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:47,048 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 201 transitions. [2020-07-28 19:01:47,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 201 transitions. [2020-07-28 19:01:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:01:47,049 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:47,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:47,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:47,049 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:47,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:47,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1615036139, now seen corresponding path program 1 times [2020-07-28 19:01:47,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:47,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881130021] [2020-07-28 19:01:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:47,104 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:47,158 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:47,213 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:47,214 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:47,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:01:47,353 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:47,353 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:47,353 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation [2020-07-28 19:01:47,354 WARN L170 areAnnotationChecker]: L547 has no Hoare annotation [2020-07-28 19:01:47,354 WARN L170 areAnnotationChecker]: L409 has no Hoare annotation [2020-07-28 19:01:47,354 WARN L170 areAnnotationChecker]: L409 has no Hoare annotation [2020-07-28 19:01:47,354 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2020-07-28 19:01:47,354 WARN L170 areAnnotationChecker]: L409-1 has no Hoare annotation [2020-07-28 19:01:47,354 WARN L170 areAnnotationChecker]: L305-1 has no Hoare annotation [2020-07-28 19:01:47,355 WARN L170 areAnnotationChecker]: L305-1 has no Hoare annotation [2020-07-28 19:01:47,355 WARN L170 areAnnotationChecker]: L305-1 has no Hoare annotation [2020-07-28 19:01:47,355 WARN L170 areAnnotationChecker]: L418 has no Hoare annotation [2020-07-28 19:01:47,355 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:01:47,355 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:47,356 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:47,356 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:47,356 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 19:01:47,356 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 19:01:47,357 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 19:01:47,357 WARN L170 areAnnotationChecker]: L429-3 has no Hoare annotation [2020-07-28 19:01:47,357 WARN L170 areAnnotationChecker]: L429-3 has no Hoare annotation [2020-07-28 19:01:47,357 WARN L170 areAnnotationChecker]: L128-2 has no Hoare annotation [2020-07-28 19:01:47,357 WARN L170 areAnnotationChecker]: L128-2 has no Hoare annotation [2020-07-28 19:01:47,357 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:47,357 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:47,358 WARN L170 areAnnotationChecker]: L160-1 has no Hoare annotation [2020-07-28 19:01:47,358 WARN L170 areAnnotationChecker]: L160-1 has no Hoare annotation [2020-07-28 19:01:47,358 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 19:01:47,358 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-28 19:01:47,358 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-28 19:01:47,358 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-28 19:01:47,359 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-28 19:01:47,359 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-28 19:01:47,359 WARN L170 areAnnotationChecker]: L466-1 has no Hoare annotation [2020-07-28 19:01:47,359 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:01:47,359 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:01:47,359 WARN L170 areAnnotationChecker]: L511-1 has no Hoare annotation [2020-07-28 19:01:47,360 WARN L170 areAnnotationChecker]: L299-2 has no Hoare annotation [2020-07-28 19:01:47,360 WARN L170 areAnnotationChecker]: L299-2 has no Hoare annotation [2020-07-28 19:01:47,360 WARN L170 areAnnotationChecker]: L453 has no Hoare annotation [2020-07-28 19:01:47,360 WARN L170 areAnnotationChecker]: L453 has no Hoare annotation [2020-07-28 19:01:47,360 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2020-07-28 19:01:47,360 WARN L170 areAnnotationChecker]: L262-3 has no Hoare annotation [2020-07-28 19:01:47,361 WARN L170 areAnnotationChecker]: L262-3 has no Hoare annotation [2020-07-28 19:01:47,361 WARN L170 areAnnotationChecker]: L305-3 has no Hoare annotation [2020-07-28 19:01:47,361 WARN L170 areAnnotationChecker]: L498-1 has no Hoare annotation [2020-07-28 19:01:47,361 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:01:47,361 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:01:47,361 WARN L170 areAnnotationChecker]: L262-5 has no Hoare annotation [2020-07-28 19:01:47,362 WARN L170 areAnnotationChecker]: L335-2 has no Hoare annotation [2020-07-28 19:01:47,362 WARN L170 areAnnotationChecker]: L335-2 has no Hoare annotation [2020-07-28 19:01:47,362 WARN L170 areAnnotationChecker]: L335-2 has no Hoare annotation [2020-07-28 19:01:47,362 WARN L170 areAnnotationChecker]: L305-2 has no Hoare annotation [2020-07-28 19:01:47,362 WARN L170 areAnnotationChecker]: L305-2 has no Hoare annotation [2020-07-28 19:01:47,362 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-28 19:01:47,363 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-28 19:01:47,363 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 19:01:47,363 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 19:01:47,363 WARN L170 areAnnotationChecker]: L268-1 has no Hoare annotation [2020-07-28 19:01:47,363 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 19:01:47,363 WARN L170 areAnnotationChecker]: L213-1 has no Hoare annotation [2020-07-28 19:01:47,364 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:01:47,364 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:01:47,364 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-28 19:01:47,364 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-28 19:01:47,364 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-28 19:01:47,365 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-28 19:01:47,365 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 19:01:47,365 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 19:01:47,365 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:01:47,365 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:01:47,366 WARN L170 areAnnotationChecker]: L309-2 has no Hoare annotation [2020-07-28 19:01:47,366 WARN L170 areAnnotationChecker]: L309-2 has no Hoare annotation [2020-07-28 19:01:47,366 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 19:01:47,366 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 19:01:47,366 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 19:01:47,366 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2020-07-28 19:01:47,367 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-28 19:01:47,367 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-28 19:01:47,367 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation [2020-07-28 19:01:47,367 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation [2020-07-28 19:01:47,368 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:01:47,369 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:01:47,369 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2020-07-28 19:01:47,369 WARN L170 areAnnotationChecker]: L429-6 has no Hoare annotation [2020-07-28 19:01:47,369 WARN L170 areAnnotationChecker]: L429-6 has no Hoare annotation [2020-07-28 19:01:47,369 WARN L170 areAnnotationChecker]: L128-3 has no Hoare annotation [2020-07-28 19:01:47,369 WARN L170 areAnnotationChecker]: L128-3 has no Hoare annotation [2020-07-28 19:01:47,370 WARN L170 areAnnotationChecker]: L511 has no Hoare annotation [2020-07-28 19:01:47,370 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2020-07-28 19:01:47,370 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2020-07-28 19:01:47,370 WARN L170 areAnnotationChecker]: L160-2 has no Hoare annotation [2020-07-28 19:01:47,370 WARN L170 areAnnotationChecker]: L160-2 has no Hoare annotation [2020-07-28 19:01:47,370 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2020-07-28 19:01:47,371 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-28 19:01:47,371 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-28 19:01:47,371 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 19:01:47,371 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 19:01:47,371 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 19:01:47,371 WARN L170 areAnnotationChecker]: L466-2 has no Hoare annotation [2020-07-28 19:01:47,372 WARN L170 areAnnotationChecker]: L262-2 has no Hoare annotation [2020-07-28 19:01:47,372 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 19:01:47,372 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 19:01:47,372 WARN L170 areAnnotationChecker]: L511-2 has no Hoare annotation [2020-07-28 19:01:47,372 WARN L170 areAnnotationChecker]: L299-4 has no Hoare annotation [2020-07-28 19:01:47,373 WARN L170 areAnnotationChecker]: L299-4 has no Hoare annotation [2020-07-28 19:01:47,373 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-28 19:01:47,373 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2020-07-28 19:01:47,373 WARN L170 areAnnotationChecker]: L262-6 has no Hoare annotation [2020-07-28 19:01:47,373 WARN L170 areAnnotationChecker]: L262-6 has no Hoare annotation [2020-07-28 19:01:47,373 WARN L170 areAnnotationChecker]: L305-5 has no Hoare annotation [2020-07-28 19:01:47,374 WARN L170 areAnnotationChecker]: L498-2 has no Hoare annotation [2020-07-28 19:01:47,374 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 19:01:47,374 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 19:01:47,374 WARN L170 areAnnotationChecker]: L309 has no Hoare annotation [2020-07-28 19:01:47,374 WARN L170 areAnnotationChecker]: L309 has no Hoare annotation [2020-07-28 19:01:47,374 WARN L170 areAnnotationChecker]: L262-8 has no Hoare annotation [2020-07-28 19:01:47,375 WARN L170 areAnnotationChecker]: L305-4 has no Hoare annotation [2020-07-28 19:01:47,375 WARN L170 areAnnotationChecker]: L305-4 has no Hoare annotation [2020-07-28 19:01:47,375 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 19:01:47,375 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 19:01:47,375 WARN L170 areAnnotationChecker]: L268-2 has no Hoare annotation [2020-07-28 19:01:47,375 WARN L170 areAnnotationChecker]: L213-2 has no Hoare annotation [2020-07-28 19:01:47,376 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 19:01:47,376 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 19:01:47,376 WARN L170 areAnnotationChecker]: L309-4 has no Hoare annotation [2020-07-28 19:01:47,376 WARN L170 areAnnotationChecker]: L309-4 has no Hoare annotation [2020-07-28 19:01:47,376 WARN L170 areAnnotationChecker]: L556-2 has no Hoare annotation [2020-07-28 19:01:47,376 WARN L170 areAnnotationChecker]: L556-2 has no Hoare annotation [2020-07-28 19:01:47,377 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:47,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:47 BoogieIcfgContainer [2020-07-28 19:01:47,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:47,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:47,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:47,386 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:47,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:40" (3/4) ... [2020-07-28 19:01:47,390 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:47,549 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:47,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:47,553 INFO L168 Benchmark]: Toolchain (without parser) took 9191.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -116.7 MB). Peak memory consumption was 200.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:47,553 INFO L168 Benchmark]: CDTParser took 0.79 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 19:01:47,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:47,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.93 ms. Allocated memory is still 1.2 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 19:01:47,555 INFO L168 Benchmark]: Boogie Preprocessor took 51.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:47,555 INFO L168 Benchmark]: RCFGBuilder took 1504.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.5 MB in the end (delta: 152.4 MB). Peak memory consumption was 152.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:47,556 INFO L168 Benchmark]: TraceAbstraction took 6668.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 952.5 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:47,556 INFO L168 Benchmark]: Witness Printer took 164.45 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:47,559 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 0.79 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 699.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.93 ms. Allocated memory is still 1.2 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. * Boogie Preprocessor took 51.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1504.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.5 MB in the end (delta: 152.4 MB). Peak memory consumption was 152.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6668.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 952.5 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Witness Printer took 164.45 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 556]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L324] int cleanupTimeShifts = 4; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L730] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L400] int retValue_acc ; [L401] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] int retValue_acc ; [L546] retValue_acc = 1 [L547] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L407] tmp = valid_product() [L409] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L441] COND TRUE waterLevel < 2 [L442] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L276] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L128] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L135] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L291] int tmp ; [L292] int tmp___0 ; [L293] int tmp___1 ; [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L297] tmp = isMethaneLevelCritical() [L299] COND FALSE !(\read(tmp)) [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L303] tmp___0 = getWaterLevel() [L305] COND TRUE tmp___0 == 2 [L209] int retValue_acc ; [L212] retValue_acc = pumpRunning [L213] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L307] tmp___1 = isPumpRunning() [L309] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L556] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 86 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 361 SDtfs, 484 SDslu, 517 SDs, 0 SdLazy, 72 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 247 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 5373 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...