./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product10.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_spec1_product10.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 e860f9a133bb6d76e1501dcd276032def5c8511b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:57:29,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:57:29,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:57:29,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:57:29,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:57:29,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:57:29,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:57:29,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:57:29,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:57:29,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:57:29,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:57:29,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:57:29,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:57:29,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:57:29,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:57:29,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:57:29,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:57:29,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:57:29,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:57:29,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:57:29,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:57:29,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:57:29,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:57:29,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:57:29,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:57:29,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:57:29,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:57:29,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:57:29,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:57:29,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:57:29,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:57:29,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:57:29,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:57:29,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:57:29,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:57:29,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:57:29,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:57:29,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:57:29,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:57:29,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:57:29,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:57:29,801 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:57:29,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:57:29,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:57:29,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:57:29,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:57:29,820 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:57:29,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:57:29,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:57:29,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:57:29,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:57:29,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:57:29,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:57:29,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:57:29,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:57:29,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:57:29,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:57:29,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:57:29,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:57:29,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:57:29,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:57:29,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:57:29,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:57:29,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:29,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:57:29,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:57:29,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:57:29,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:57:29,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:57:29,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:57:29,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:57:29,827 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 -> e860f9a133bb6d76e1501dcd276032def5c8511b [2020-07-28 18:57:30,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:57:30,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:57:30,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:57:30,163 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:57:30,166 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:57:30,168 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2020-07-28 18:57:30,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c84ab74/0e340b970199411d86436c92e7abac57/FLAG8c395cadd [2020-07-28 18:57:30,681 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:57:30,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2020-07-28 18:57:30,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c84ab74/0e340b970199411d86436c92e7abac57/FLAG8c395cadd [2020-07-28 18:57:30,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2c84ab74/0e340b970199411d86436c92e7abac57 [2020-07-28 18:57:30,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:57:31,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:57:31,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:31,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:57:31,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:57:31,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:30" (1/1) ... [2020-07-28 18:57:31,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9580f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31, skipping insertion in model container [2020-07-28 18:57:31,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:30" (1/1) ... [2020-07-28 18:57:31,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:57:31,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:57:31,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:31,640 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:57:31,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:31,745 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:57:31,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31 WrapperNode [2020-07-28 18:57:31,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:31,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:31,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:57:31,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:57:31,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:31,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:57:31,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:57:31,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:57:31,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... [2020-07-28 18:57:31,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:57:31,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:57:31,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:57:31,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:57:31,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:57:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:57:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:57:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:57:33,241 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:57:33,242 INFO L295 CfgBuilder]: Removed 68 assume(true) statements. [2020-07-28 18:57:33,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:33 BoogieIcfgContainer [2020-07-28 18:57:33,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:57:33,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:57:33,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:57:33,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:57:33,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:57:30" (1/3) ... [2020-07-28 18:57:33,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651b3547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:33, skipping insertion in model container [2020-07-28 18:57:33,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:31" (2/3) ... [2020-07-28 18:57:33,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651b3547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:33, skipping insertion in model container [2020-07-28 18:57:33,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:33" (3/3) ... [2020-07-28 18:57:33,257 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2020-07-28 18:57:33,269 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:57:33,277 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:57:33,293 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:57:33,319 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:57:33,320 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:57:33,320 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:57:33,320 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:57:33,321 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:57:33,321 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:57:33,322 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:57:33,322 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:57:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-07-28 18:57:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:57:33,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:33,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:33,356 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:33,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:33,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2020-07-28 18:57:33,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:33,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452864319] [2020-07-28 18:57:33,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:33,752 INFO L280 TraceCheckUtils]: 0: Hoare triple {60#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {60#true} is VALID [2020-07-28 18:57:33,753 INFO L280 TraceCheckUtils]: 1: Hoare triple {60#true} havoc main_#res;havoc main_#t~ret14, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {60#true} is VALID [2020-07-28 18:57:33,754 INFO L280 TraceCheckUtils]: 2: Hoare triple {60#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {60#true} is VALID [2020-07-28 18:57:33,754 INFO L280 TraceCheckUtils]: 3: Hoare triple {60#true} main_#t~ret14 := valid_product_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; {60#true} is VALID [2020-07-28 18:57:33,755 INFO L280 TraceCheckUtils]: 4: Hoare triple {60#true} assume 0 != main_~tmp~1; {60#true} is VALID [2020-07-28 18:57:33,756 INFO L280 TraceCheckUtils]: 5: Hoare triple {60#true} havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, 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; {60#true} is VALID [2020-07-28 18:57:33,757 INFO L280 TraceCheckUtils]: 6: Hoare triple {60#true} assume !true; {61#false} is VALID [2020-07-28 18:57:33,757 INFO L280 TraceCheckUtils]: 7: Hoare triple {61#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {61#false} is VALID [2020-07-28 18:57:33,758 INFO L280 TraceCheckUtils]: 8: Hoare triple {61#false} assume !(0 != ~pumpRunning~0); {61#false} is VALID [2020-07-28 18:57:33,758 INFO L280 TraceCheckUtils]: 9: Hoare triple {61#false} assume 0 != ~systemActive~0; {61#false} is VALID [2020-07-28 18:57:33,759 INFO L280 TraceCheckUtils]: 10: Hoare triple {61#false} havoc __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {61#false} is VALID [2020-07-28 18:57:33,759 INFO L280 TraceCheckUtils]: 11: Hoare triple {61#false} __utac_acc__Specification1_spec__1_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret68 && __utac_acc__Specification1_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret68;havoc __utac_acc__Specification1_spec__1_#t~ret68; {61#false} is VALID [2020-07-28 18:57:33,759 INFO L280 TraceCheckUtils]: 12: Hoare triple {61#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {61#false} is VALID [2020-07-28 18:57:33,760 INFO L280 TraceCheckUtils]: 13: Hoare triple {61#false} __utac_acc__Specification1_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret69 && __utac_acc__Specification1_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; {61#false} is VALID [2020-07-28 18:57:33,761 INFO L280 TraceCheckUtils]: 14: Hoare triple {61#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {61#false} is VALID [2020-07-28 18:57:33,761 INFO L280 TraceCheckUtils]: 15: Hoare triple {61#false} assume !false; {61#false} is VALID [2020-07-28 18:57:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:33,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452864319] [2020-07-28 18:57:33,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:33,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:57:33,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786500001] [2020-07-28 18:57:33,776 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:33,778 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:33,782 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:57:33,820 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:33,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:57:33,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:33,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:57:33,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:33,834 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-07-28 18:57:34,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:34,059 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2020-07-28 18:57:34,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:57:34,059 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:34,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:34,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 161 transitions. [2020-07-28 18:57:34,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 161 transitions. [2020-07-28 18:57:34,091 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 161 transitions. [2020-07-28 18:57:34,329 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:34,342 INFO L225 Difference]: With dead ends: 108 [2020-07-28 18:57:34,343 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:57:34,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:34,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:57:34,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:57:34,403 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:34,404 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:34,404 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:34,405 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:34,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:34,410 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:34,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:34,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:34,413 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:34,413 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:57:34,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:34,418 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:34,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:34,419 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:34,420 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:34,420 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:57:34,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-07-28 18:57:34,426 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-07-28 18:57:34,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:34,426 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-07-28 18:57:34,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:57:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-07-28 18:57:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:57:34,428 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:34,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:34,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:57:34,429 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:34,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:34,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2020-07-28 18:57:34,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:34,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394877085] [2020-07-28 18:57:34,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:34,555 INFO L280 TraceCheckUtils]: 0: Hoare triple {401#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {401#true} is VALID [2020-07-28 18:57:34,556 INFO L280 TraceCheckUtils]: 1: Hoare triple {401#true} havoc main_#res;havoc main_#t~ret14, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {401#true} is VALID [2020-07-28 18:57:34,556 INFO L280 TraceCheckUtils]: 2: Hoare triple {401#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {401#true} is VALID [2020-07-28 18:57:34,557 INFO L280 TraceCheckUtils]: 3: Hoare triple {401#true} main_#t~ret14 := valid_product_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; {401#true} is VALID [2020-07-28 18:57:34,557 INFO L280 TraceCheckUtils]: 4: Hoare triple {401#true} assume 0 != main_~tmp~1; {401#true} is VALID [2020-07-28 18:57:34,559 INFO L280 TraceCheckUtils]: 5: Hoare triple {401#true} havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, 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; {403#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:34,561 INFO L280 TraceCheckUtils]: 6: Hoare triple {403#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {403#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:34,563 INFO L280 TraceCheckUtils]: 7: Hoare triple {403#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {402#false} is VALID [2020-07-28 18:57:34,563 INFO L280 TraceCheckUtils]: 8: Hoare triple {402#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {402#false} is VALID [2020-07-28 18:57:34,564 INFO L280 TraceCheckUtils]: 9: Hoare triple {402#false} assume !(0 != ~pumpRunning~0); {402#false} is VALID [2020-07-28 18:57:34,564 INFO L280 TraceCheckUtils]: 10: Hoare triple {402#false} assume 0 != ~systemActive~0; {402#false} is VALID [2020-07-28 18:57:34,564 INFO L280 TraceCheckUtils]: 11: Hoare triple {402#false} havoc __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {402#false} is VALID [2020-07-28 18:57:34,565 INFO L280 TraceCheckUtils]: 12: Hoare triple {402#false} __utac_acc__Specification1_spec__1_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret68 && __utac_acc__Specification1_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret68;havoc __utac_acc__Specification1_spec__1_#t~ret68; {402#false} is VALID [2020-07-28 18:57:34,565 INFO L280 TraceCheckUtils]: 13: Hoare triple {402#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {402#false} is VALID [2020-07-28 18:57:34,566 INFO L280 TraceCheckUtils]: 14: Hoare triple {402#false} __utac_acc__Specification1_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret69 && __utac_acc__Specification1_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; {402#false} is VALID [2020-07-28 18:57:34,566 INFO L280 TraceCheckUtils]: 15: Hoare triple {402#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {402#false} is VALID [2020-07-28 18:57:34,566 INFO L280 TraceCheckUtils]: 16: Hoare triple {402#false} assume !false; {402#false} is VALID [2020-07-28 18:57:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:34,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394877085] [2020-07-28 18:57:34,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:34,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:34,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361308472] [2020-07-28 18:57:34,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:34,572 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:34,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:34,607 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:34,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:34,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:34,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:34,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:34,609 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-07-28 18:57:34,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:34,777 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-07-28 18:57:34,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:34,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:34,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 18:57:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 18:57:34,782 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 72 transitions. [2020-07-28 18:57:34,879 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:34,881 INFO L225 Difference]: With dead ends: 53 [2020-07-28 18:57:34,881 INFO L226 Difference]: Without dead ends: 27 [2020-07-28 18:57:34,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:34,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-28 18:57:34,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-07-28 18:57:34,895 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:34,895 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:34,896 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:34,896 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:34,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:34,898 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2020-07-28 18:57:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:34,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:34,899 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:34,899 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:34,899 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-28 18:57:34,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:34,902 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2020-07-28 18:57:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:34,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:34,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:34,903 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:34,903 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-28 18:57:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-07-28 18:57:34,905 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-07-28 18:57:34,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:34,906 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-07-28 18:57:34,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-07-28 18:57:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:34,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:34,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:34,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:57:34,908 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:34,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:34,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-07-28 18:57:34,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:34,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4558613] [2020-07-28 18:57:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:35,050 INFO L280 TraceCheckUtils]: 0: Hoare triple {574#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,052 INFO L280 TraceCheckUtils]: 1: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret14, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,052 INFO L280 TraceCheckUtils]: 2: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,053 INFO L280 TraceCheckUtils]: 3: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} main_#t~ret14 := valid_product_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,054 INFO L280 TraceCheckUtils]: 4: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~1; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,055 INFO L280 TraceCheckUtils]: 5: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, 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; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,056 INFO L280 TraceCheckUtils]: 6: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume !false; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,057 INFO L280 TraceCheckUtils]: 7: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,058 INFO L280 TraceCheckUtils]: 8: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet10 && test_#t~nondet10 <= 2147483647;test_~tmp~0 := test_#t~nondet10;havoc test_#t~nondet10; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,059 INFO L280 TraceCheckUtils]: 9: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~0); {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,060 INFO L280 TraceCheckUtils]: 10: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet11 && test_#t~nondet11 <= 2147483647;test_~tmp___0~0 := test_#t~nondet11;havoc test_#t~nondet11; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,061 INFO L280 TraceCheckUtils]: 11: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,062 INFO L280 TraceCheckUtils]: 12: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,063 INFO L280 TraceCheckUtils]: 13: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,065 INFO L280 TraceCheckUtils]: 14: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,066 INFO L280 TraceCheckUtils]: 15: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0; {576#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:35,068 INFO L280 TraceCheckUtils]: 16: Hoare triple {576#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {577#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:57:35,070 INFO L280 TraceCheckUtils]: 17: Hoare triple {577#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret68 && __utac_acc__Specification1_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret68;havoc __utac_acc__Specification1_spec__1_#t~ret68; {578#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)} is VALID [2020-07-28 18:57:35,072 INFO L280 TraceCheckUtils]: 18: Hoare triple {578#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {575#false} is VALID [2020-07-28 18:57:35,072 INFO L280 TraceCheckUtils]: 19: Hoare triple {575#false} __utac_acc__Specification1_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret69 && __utac_acc__Specification1_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; {575#false} is VALID [2020-07-28 18:57:35,072 INFO L280 TraceCheckUtils]: 20: Hoare triple {575#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {575#false} is VALID [2020-07-28 18:57:35,073 INFO L280 TraceCheckUtils]: 21: Hoare triple {575#false} assume !false; {575#false} is VALID [2020-07-28 18:57:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:35,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4558613] [2020-07-28 18:57:35,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:35,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:35,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144556622] [2020-07-28 18:57:35,076 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:57:35,077 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:35,077 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:35,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:35,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:35,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:35,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:35,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:35,119 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-07-28 18:57:35,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:35,709 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-07-28 18:57:35,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:57:35,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:57:35,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 167 transitions. [2020-07-28 18:57:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 167 transitions. [2020-07-28 18:57:35,718 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 167 transitions. [2020-07-28 18:57:35,933 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:35,936 INFO L225 Difference]: With dead ends: 109 [2020-07-28 18:57:35,936 INFO L226 Difference]: Without dead ends: 88 [2020-07-28 18:57:35,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:57:35,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-28 18:57:35,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-07-28 18:57:35,986 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:35,986 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:35,987 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:35,987 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 44 states. [2020-07-28 18:57:35,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:35,991 INFO L93 Difference]: Finished difference Result 88 states and 133 transitions. [2020-07-28 18:57:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2020-07-28 18:57:35,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:35,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:35,993 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 88 states. [2020-07-28 18:57:35,993 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 88 states. [2020-07-28 18:57:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:35,997 INFO L93 Difference]: Finished difference Result 88 states and 133 transitions. [2020-07-28 18:57:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2020-07-28 18:57:35,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:35,998 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:35,998 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:35,999 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-28 18:57:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-07-28 18:57:36,001 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-07-28 18:57:36,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:36,001 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-07-28 18:57:36,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:36,002 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-07-28 18:57:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:57:36,002 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:36,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:36,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:57:36,003 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:36,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:36,003 INFO L82 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2020-07-28 18:57:36,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:36,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456408186] [2020-07-28 18:57:36,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:36,103 INFO L280 TraceCheckUtils]: 0: Hoare triple {982#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,104 INFO L280 TraceCheckUtils]: 1: Hoare triple {984#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret14, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,105 INFO L280 TraceCheckUtils]: 2: Hoare triple {984#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,105 INFO L280 TraceCheckUtils]: 3: Hoare triple {984#(= 0 ~pumpRunning~0)} main_#t~ret14 := valid_product_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,106 INFO L280 TraceCheckUtils]: 4: Hoare triple {984#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,107 INFO L280 TraceCheckUtils]: 5: Hoare triple {984#(= 0 ~pumpRunning~0)} havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, 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; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,109 INFO L280 TraceCheckUtils]: 6: Hoare triple {984#(= 0 ~pumpRunning~0)} assume !false; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,110 INFO L280 TraceCheckUtils]: 7: Hoare triple {984#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,111 INFO L280 TraceCheckUtils]: 8: Hoare triple {984#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet10 && test_#t~nondet10 <= 2147483647;test_~tmp~0 := test_#t~nondet10;havoc test_#t~nondet10; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,112 INFO L280 TraceCheckUtils]: 9: Hoare triple {984#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,112 INFO L280 TraceCheckUtils]: 10: Hoare triple {984#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet11 && test_#t~nondet11 <= 2147483647;test_~tmp___0~0 := test_#t~nondet11;havoc test_#t~nondet11; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,113 INFO L280 TraceCheckUtils]: 11: Hoare triple {984#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,114 INFO L280 TraceCheckUtils]: 12: Hoare triple {984#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,114 INFO L280 TraceCheckUtils]: 13: Hoare triple {984#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,115 INFO L280 TraceCheckUtils]: 14: Hoare triple {984#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,116 INFO L280 TraceCheckUtils]: 15: Hoare triple {984#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,116 INFO L280 TraceCheckUtils]: 16: Hoare triple {984#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,117 INFO L280 TraceCheckUtils]: 17: Hoare triple {984#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,118 INFO L280 TraceCheckUtils]: 18: Hoare triple {984#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret68 && __utac_acc__Specification1_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret68;havoc __utac_acc__Specification1_spec__1_#t~ret68; {984#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:36,119 INFO L280 TraceCheckUtils]: 19: Hoare triple {984#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {985#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:57:36,119 INFO L280 TraceCheckUtils]: 20: Hoare triple {985#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret69 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret69 && __utac_acc__Specification1_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; {986#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} is VALID [2020-07-28 18:57:36,120 INFO L280 TraceCheckUtils]: 21: Hoare triple {986#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {983#false} is VALID [2020-07-28 18:57:36,120 INFO L280 TraceCheckUtils]: 22: Hoare triple {983#false} assume !false; {983#false} is VALID [2020-07-28 18:57:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:36,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456408186] [2020-07-28 18:57:36,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:36,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:36,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714802338] [2020-07-28 18:57:36,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:36,125 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:36,125 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:36,158 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:36,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:36,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:36,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:36,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:36,159 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-07-28 18:57:36,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:36,766 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-07-28 18:57:36,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:57:36,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:36,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2020-07-28 18:57:36,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2020-07-28 18:57:36,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 112 transitions. [2020-07-28 18:57:36,907 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:36,907 INFO L225 Difference]: With dead ends: 130 [2020-07-28 18:57:36,907 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:57:36,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:57:36,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:57:36,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:57:36,909 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:36,909 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:36,909 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:36,909 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:36,910 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:36,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:36,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:36,910 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:36,910 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:36,911 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:36,911 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:36,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:36,911 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:36,912 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:36,912 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:57:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:57:36,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-07-28 18:57:36,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:36,913 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:57:36,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:36,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:36,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:57:36,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:57:37,118 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:57:37,118 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-28 18:57:37,118 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-07-28 18:57:37,119 INFO L271 CegarLoopResult]: At program point L300(lines 281 303) the Hoare annotation is: true [2020-07-28 18:57:37,119 INFO L268 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2020-07-28 18:57:37,119 INFO L264 CegarLoopResult]: At program point L168-1(lines 168 174) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,119 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:57:37,119 INFO L268 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-07-28 18:57:37,119 INFO L264 CegarLoopResult]: At program point L186-2(lines 682 688) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,120 INFO L264 CegarLoopResult]: At program point L682(lines 681 700) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,120 INFO L268 CegarLoopResult]: For program point L682-1(lines 682 688) no Hoare annotation was computed. [2020-07-28 18:57:37,120 INFO L264 CegarLoopResult]: At program point L682-2(lines 681 700) the Hoare annotation is: false [2020-07-28 18:57:37,128 INFO L264 CegarLoopResult]: At program point L682-3(lines 681 700) the Hoare annotation is: false [2020-07-28 18:57:37,128 INFO L264 CegarLoopResult]: At program point L864(lines 859 867) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,129 INFO L268 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2020-07-28 18:57:37,129 INFO L268 CegarLoopResult]: For program point L220-1(lines 682 688) no Hoare annotation was computed. [2020-07-28 18:57:37,129 INFO L268 CegarLoopResult]: For program point L816(lines 816 829) no Hoare annotation was computed. [2020-07-28 18:57:37,130 INFO L264 CegarLoopResult]: At program point L816-1(lines 1 867) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,130 INFO L268 CegarLoopResult]: For program point L816-2(lines 816 829) no Hoare annotation was computed. [2020-07-28 18:57:37,130 INFO L264 CegarLoopResult]: At program point L816-3(lines 1 867) the Hoare annotation is: false [2020-07-28 18:57:37,133 INFO L268 CegarLoopResult]: For program point L816-4(lines 816 829) no Hoare annotation was computed. [2020-07-28 18:57:37,134 INFO L264 CegarLoopResult]: At program point L816-5(lines 1 867) the Hoare annotation is: false [2020-07-28 18:57:37,134 INFO L268 CegarLoopResult]: For program point L73(lines 73 77) no Hoare annotation was computed. [2020-07-28 18:57:37,134 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:57:37,134 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-07-28 18:57:37,135 INFO L264 CegarLoopResult]: At program point L158-1(lines 158 164) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,135 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:57:37,135 INFO L268 CegarLoopResult]: For program point L291(lines 291 298) no Hoare annotation was computed. [2020-07-28 18:57:37,135 INFO L271 CegarLoopResult]: At program point L291-1(lines 291 298) the Hoare annotation is: true [2020-07-28 18:57:37,136 INFO L268 CegarLoopResult]: For program point L820(lines 820 826) no Hoare annotation was computed. [2020-07-28 18:57:37,136 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 826) no Hoare annotation was computed. [2020-07-28 18:57:37,136 INFO L268 CegarLoopResult]: For program point L820-4(lines 820 826) no Hoare annotation was computed. [2020-07-28 18:57:37,136 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-28 18:57:37,137 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-28 18:57:37,138 INFO L268 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2020-07-28 18:57:37,138 INFO L268 CegarLoopResult]: For program point L61(lines 61 65) no Hoare annotation was computed. [2020-07-28 18:57:37,138 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:57:37,138 INFO L268 CegarLoopResult]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2020-07-28 18:57:37,139 INFO L268 CegarLoopResult]: For program point L61-6(lines 61 65) no Hoare annotation was computed. [2020-07-28 18:57:37,139 INFO L264 CegarLoopResult]: At program point L689(lines 689 695) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,140 INFO L264 CegarLoopResult]: At program point L689-1(lines 689 695) the Hoare annotation is: false [2020-07-28 18:57:37,140 INFO L264 CegarLoopResult]: At program point L689-2(lines 689 695) the Hoare annotation is: false [2020-07-28 18:57:37,140 INFO L268 CegarLoopResult]: For program point L178(lines 178 191) no Hoare annotation was computed. [2020-07-28 18:57:37,140 INFO L264 CegarLoopResult]: At program point L856(lines 1 867) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,140 INFO L264 CegarLoopResult]: At program point L196(lines 147 197) the Hoare annotation is: false [2020-07-28 18:57:37,141 INFO L264 CegarLoopResult]: At program point L98(lines 93 101) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,141 INFO L264 CegarLoopResult]: At program point L98-1(lines 93 101) the Hoare annotation is: false [2020-07-28 18:57:37,141 INFO L264 CegarLoopResult]: At program point L98-2(lines 93 101) the Hoare annotation is: false [2020-07-28 18:57:37,141 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:57:37,142 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:57:37,142 INFO L264 CegarLoopResult]: At program point L759(lines 754 762) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,142 INFO L264 CegarLoopResult]: At program point L759-1(lines 754 762) the Hoare annotation is: false [2020-07-28 18:57:37,143 INFO L264 CegarLoopResult]: At program point L759-2(lines 754 762) the Hoare annotation is: false [2020-07-28 18:57:37,143 INFO L268 CegarLoopResult]: For program point L149(lines 148 195) no Hoare annotation was computed. [2020-07-28 18:57:37,143 INFO L264 CegarLoopResult]: At program point L265(lines 261 267) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:37,144 INFO L268 CegarLoopResult]: For program point L150(lines 150 154) no Hoare annotation was computed. [2020-07-28 18:57:37,144 INFO L264 CegarLoopResult]: At program point L216-2(lines 216 230) the Hoare annotation is: false [2020-07-28 18:57:37,150 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:57:37,151 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:57:37,152 WARN L170 areAnnotationChecker]: L291 has no Hoare annotation [2020-07-28 18:57:37,152 WARN L170 areAnnotationChecker]: L291 has no Hoare annotation [2020-07-28 18:57:37,152 WARN L170 areAnnotationChecker]: L291 has no Hoare annotation [2020-07-28 18:57:37,154 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2020-07-28 18:57:37,154 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:37,154 WARN L170 areAnnotationChecker]: L682-1 has no Hoare annotation [2020-07-28 18:57:37,154 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2020-07-28 18:57:37,154 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2020-07-28 18:57:37,155 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:37,155 WARN L170 areAnnotationChecker]: L682-1 has no Hoare annotation [2020-07-28 18:57:37,155 WARN L170 areAnnotationChecker]: L682-1 has no Hoare annotation [2020-07-28 18:57:37,155 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-28 18:57:37,155 WARN L170 areAnnotationChecker]: L61-3 has no Hoare annotation [2020-07-28 18:57:37,156 WARN L170 areAnnotationChecker]: L61-3 has no Hoare annotation [2020-07-28 18:57:37,156 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 18:57:37,156 WARN L170 areAnnotationChecker]: L158 has no Hoare annotation [2020-07-28 18:57:37,156 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 18:57:37,156 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 18:57:37,156 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 18:57:37,156 WARN L170 areAnnotationChecker]: L816-2 has no Hoare annotation [2020-07-28 18:57:37,156 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L816-2 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L816-2 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L820-2 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 18:57:37,157 WARN L170 areAnnotationChecker]: L820-2 has no Hoare annotation [2020-07-28 18:57:37,158 WARN L170 areAnnotationChecker]: L820-2 has no Hoare annotation [2020-07-28 18:57:37,158 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2020-07-28 18:57:37,158 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-28 18:57:37,160 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-28 18:57:37,161 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-28 18:57:37,161 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 18:57:37,161 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 18:57:37,161 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2020-07-28 18:57:37,162 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-28 18:57:37,162 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-28 18:57:37,164 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2020-07-28 18:57:37,164 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2020-07-28 18:57:37,165 WARN L170 areAnnotationChecker]: L220-1 has no Hoare annotation [2020-07-28 18:57:37,165 WARN L170 areAnnotationChecker]: L220-1 has no Hoare annotation [2020-07-28 18:57:37,165 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-28 18:57:37,165 WARN L170 areAnnotationChecker]: L61-6 has no Hoare annotation [2020-07-28 18:57:37,166 WARN L170 areAnnotationChecker]: L61-6 has no Hoare annotation [2020-07-28 18:57:37,166 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-28 18:57:37,166 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-28 18:57:37,166 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-28 18:57:37,167 WARN L170 areAnnotationChecker]: L816-4 has no Hoare annotation [2020-07-28 18:57:37,167 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-28 18:57:37,167 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-28 18:57:37,167 WARN L170 areAnnotationChecker]: L816-4 has no Hoare annotation [2020-07-28 18:57:37,167 WARN L170 areAnnotationChecker]: L816-4 has no Hoare annotation [2020-07-28 18:57:37,168 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 18:57:37,168 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 18:57:37,168 WARN L170 areAnnotationChecker]: L820-4 has no Hoare annotation [2020-07-28 18:57:37,168 WARN L170 areAnnotationChecker]: L820-4 has no Hoare annotation [2020-07-28 18:57:37,168 WARN L170 areAnnotationChecker]: L820-4 has no Hoare annotation [2020-07-28 18:57:37,168 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 18:57:37,169 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 18:57:37,169 INFO L163 areAnnotationChecker]: CFG has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:57:37,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:57:37 BoogieIcfgContainer [2020-07-28 18:57:37,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:57:37,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:57:37,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:57:37,200 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:57:37,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:33" (3/4) ... [2020-07-28 18:57:37,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:57:37,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:57:37,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:57:37,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:57:37,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:57:37,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:57:37,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:37,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:37,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:57:37,328 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:57:37,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:57:37,331 INFO L168 Benchmark]: Toolchain (without parser) took 6333.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.7 MB). Free memory was 950.8 MB in the beginning and 983.7 MB in the end (delta: -32.9 MB). Peak memory consumption was 176.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:37,332 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:37,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:37,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.00 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 18:57:37,333 INFO L168 Benchmark]: Boogie Preprocessor took 59.98 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 18:57:37,333 INFO L168 Benchmark]: RCFGBuilder took 1350.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.0 MB in the end (delta: 126.1 MB). Peak memory consumption was 126.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:37,334 INFO L168 Benchmark]: TraceAbstraction took 3950.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 987.0 MB in the beginning and 991.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:37,334 INFO L168 Benchmark]: Witness Printer took 128.77 ms. Allocated memory is still 1.2 GB. Free memory was 991.4 MB in the beginning and 983.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:37,337 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 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 743.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.00 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 59.98 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 1350.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.0 MB in the end (delta: 126.1 MB). Peak memory consumption was 126.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3950.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 987.0 MB in the beginning and 991.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * Witness Printer took 128.77 ms. Allocated memory is still 1.2 GB. Free memory was 991.4 MB in the beginning and 983.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...