./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product48.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 43ef5600519005fc88dd599d15644e5bf72b4abd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:52,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:52,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:52,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:52,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:52,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:52,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:52,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:52,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:52,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:52,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:52,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:52,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:52,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:52,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:52,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:52,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:52,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:52,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:52,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:52,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:52,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:52,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:52,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:52,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:52,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:52,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:52,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:52,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:52,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:52,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:52,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:52,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:52,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:52,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:52,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:52,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:52,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:52,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:52,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:52,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:52,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:52,854 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:52,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:52,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:52,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:52,857 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:52,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:52,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:52,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:52,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:52,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:52,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:52,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:52,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:52,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:52,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:52,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:52,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:52,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:52,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:52,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:52,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:52,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:52,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:52,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:52,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:52,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:52,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:52,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:52,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:52,864 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 -> 43ef5600519005fc88dd599d15644e5bf72b4abd [2020-07-28 19:01:53,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:53,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:53,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:53,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:53,201 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:53,201 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c [2020-07-28 19:01:53,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6695c4d/811bde4651444ce0b308d16079a6ecff/FLAG3d5d60250 [2020-07-28 19:01:53,831 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:53,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product48.cil.c [2020-07-28 19:01:53,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6695c4d/811bde4651444ce0b308d16079a6ecff/FLAG3d5d60250 [2020-07-28 19:01:54,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6695c4d/811bde4651444ce0b308d16079a6ecff [2020-07-28 19:01:54,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:54,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:54,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:54,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:54,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:54,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:54,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644edd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54, skipping insertion in model container [2020-07-28 19:01:54,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:54,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:54,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:54,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:54,802 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:54,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:54,983 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:54,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54 WrapperNode [2020-07-28 19:01:54,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:54,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:54,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:54,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:54,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:55,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:55,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:55,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:55,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... [2020-07-28 19:01:55,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:55,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:55,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:55,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:55,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:56,981 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:56,981 INFO L295 CfgBuilder]: Removed 204 assume(true) statements. [2020-07-28 19:01:56,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:56 BoogieIcfgContainer [2020-07-28 19:01:56,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:56,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:56,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:56,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:56,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:54" (1/3) ... [2020-07-28 19:01:56,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5301ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:56, skipping insertion in model container [2020-07-28 19:01:56,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:54" (2/3) ... [2020-07-28 19:01:56,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5301ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:56, skipping insertion in model container [2020-07-28 19:01:56,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:56" (3/3) ... [2020-07-28 19:01:56,999 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48.cil.c [2020-07-28 19:01:57,012 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:57,020 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:57,037 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:57,065 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:57,065 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:57,066 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:57,066 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:57,067 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:57,067 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:57,067 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:57,068 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-28 19:01:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:57,099 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:57,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:57,101 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:57,108 INFO L82 PathProgramCache]: Analyzing trace with hash -839049995, now seen corresponding path program 1 times [2020-07-28 19:01:57,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:57,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055106742] [2020-07-28 19:01:57,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:57,452 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {140#true} is VALID [2020-07-28 19:01:57,453 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; {140#true} is VALID [2020-07-28 19:01:57,453 INFO L280 TraceCheckUtils]: 2: Hoare triple {140#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {140#true} is VALID [2020-07-28 19:01:57,454 INFO L280 TraceCheckUtils]: 3: Hoare triple {140#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; {140#true} is VALID [2020-07-28 19:01:57,454 INFO L280 TraceCheckUtils]: 4: Hoare triple {140#true} assume 0 != main_~tmp~5; {140#true} is VALID [2020-07-28 19:01:57,455 INFO L280 TraceCheckUtils]: 5: Hoare triple {140#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {140#true} is VALID [2020-07-28 19:01:57,456 INFO L280 TraceCheckUtils]: 6: Hoare triple {140#true} assume false; {141#false} is VALID [2020-07-28 19:01:57,457 INFO L280 TraceCheckUtils]: 7: Hoare triple {141#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {141#false} is VALID [2020-07-28 19:01:57,457 INFO L280 TraceCheckUtils]: 8: Hoare triple {141#false} assume !(0 != ~pumpRunning~0); {141#false} is VALID [2020-07-28 19:01:57,458 INFO L280 TraceCheckUtils]: 9: Hoare triple {141#false} assume !(0 != ~systemActive~0); {141#false} is VALID [2020-07-28 19:01:57,458 INFO L280 TraceCheckUtils]: 10: Hoare triple {141#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {141#false} is VALID [2020-07-28 19:01:57,458 INFO L280 TraceCheckUtils]: 11: Hoare triple {141#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {141#false} is VALID [2020-07-28 19:01:57,459 INFO L280 TraceCheckUtils]: 12: Hoare triple {141#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {141#false} is VALID [2020-07-28 19:01:57,459 INFO L280 TraceCheckUtils]: 13: Hoare triple {141#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {141#false} is VALID [2020-07-28 19:01:57,460 INFO L280 TraceCheckUtils]: 14: Hoare triple {141#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {141#false} is VALID [2020-07-28 19:01:57,461 INFO L280 TraceCheckUtils]: 15: Hoare triple {141#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {141#false} is VALID [2020-07-28 19:01:57,461 INFO L280 TraceCheckUtils]: 16: Hoare triple {141#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {141#false} is VALID [2020-07-28 19:01:57,461 INFO L280 TraceCheckUtils]: 17: Hoare triple {141#false} assume !false; {141#false} is VALID [2020-07-28 19:01:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:57,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055106742] [2020-07-28 19:01:57,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:57,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:57,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536768991] [2020-07-28 19:01:57,476 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:57,478 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:57,482 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:57,525 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:57,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:57,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:57,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:57,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:57,539 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2020-07-28 19:01:57,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:57,888 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2020-07-28 19:01:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:57,889 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:57,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:57,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 401 transitions. [2020-07-28 19:01:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 401 transitions. [2020-07-28 19:01:57,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 401 transitions. [2020-07-28 19:01:58,561 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 401 edges. 401 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:58,579 INFO L225 Difference]: With dead ends: 268 [2020-07-28 19:01:58,580 INFO L226 Difference]: Without dead ends: 133 [2020-07-28 19:01:58,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:58,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-28 19:01:58,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-28 19:01:58,647 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:58,648 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:58,649 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:58,649 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:58,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:58,659 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:01:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:01:58,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:58,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:58,661 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:58,661 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 133 states. [2020-07-28 19:01:58,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:58,670 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:01:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:01:58,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:58,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:58,672 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:58,673 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-28 19:01:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-07-28 19:01:58,682 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 18 [2020-07-28 19:01:58,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:58,683 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-07-28 19:01:58,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:58,683 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:01:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:58,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:58,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:58,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:58,686 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:58,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:58,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1750080748, now seen corresponding path program 1 times [2020-07-28 19:01:58,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:58,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915002584] [2020-07-28 19:01:58,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:58,808 INFO L280 TraceCheckUtils]: 0: Hoare triple {983#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {983#true} is VALID [2020-07-28 19:01:58,808 INFO L280 TraceCheckUtils]: 1: Hoare triple {983#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; {983#true} is VALID [2020-07-28 19:01:58,808 INFO L280 TraceCheckUtils]: 2: Hoare triple {983#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {983#true} is VALID [2020-07-28 19:01:58,809 INFO L280 TraceCheckUtils]: 3: Hoare triple {983#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; {983#true} is VALID [2020-07-28 19:01:58,809 INFO L280 TraceCheckUtils]: 4: Hoare triple {983#true} assume 0 != main_~tmp~5; {983#true} is VALID [2020-07-28 19:01:58,810 INFO L280 TraceCheckUtils]: 5: Hoare triple {983#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {985#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:58,811 INFO L280 TraceCheckUtils]: 6: Hoare triple {985#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {985#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:58,812 INFO L280 TraceCheckUtils]: 7: Hoare triple {985#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {984#false} is VALID [2020-07-28 19:01:58,812 INFO L280 TraceCheckUtils]: 8: Hoare triple {984#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {984#false} is VALID [2020-07-28 19:01:58,812 INFO L280 TraceCheckUtils]: 9: Hoare triple {984#false} assume !(0 != ~pumpRunning~0); {984#false} is VALID [2020-07-28 19:01:58,813 INFO L280 TraceCheckUtils]: 10: Hoare triple {984#false} assume !(0 != ~systemActive~0); {984#false} is VALID [2020-07-28 19:01:58,813 INFO L280 TraceCheckUtils]: 11: Hoare triple {984#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {984#false} is VALID [2020-07-28 19:01:58,813 INFO L280 TraceCheckUtils]: 12: Hoare triple {984#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {984#false} is VALID [2020-07-28 19:01:58,814 INFO L280 TraceCheckUtils]: 13: Hoare triple {984#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {984#false} is VALID [2020-07-28 19:01:58,814 INFO L280 TraceCheckUtils]: 14: Hoare triple {984#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {984#false} is VALID [2020-07-28 19:01:58,814 INFO L280 TraceCheckUtils]: 15: Hoare triple {984#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {984#false} is VALID [2020-07-28 19:01:58,814 INFO L280 TraceCheckUtils]: 16: Hoare triple {984#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {984#false} is VALID [2020-07-28 19:01:58,815 INFO L280 TraceCheckUtils]: 17: Hoare triple {984#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {984#false} is VALID [2020-07-28 19:01:58,815 INFO L280 TraceCheckUtils]: 18: Hoare triple {984#false} assume !false; {984#false} is VALID [2020-07-28 19:01:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:58,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915002584] [2020-07-28 19:01:58,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:58,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:58,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881746446] [2020-07-28 19:01:58,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:58,819 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:58,819 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:58,855 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:58,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:58,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:58,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:58,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:58,856 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-07-28 19:01:59,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:59,122 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:01:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:59,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:59,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 19:01:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2020-07-28 19:01:59,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 192 transitions. [2020-07-28 19:01:59,324 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:59,326 INFO L225 Difference]: With dead ends: 133 [2020-07-28 19:01:59,326 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 19:01:59,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 19:01:59,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 19:01:59,363 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:59,363 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:59,363 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:59,364 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:59,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:59,369 INFO L93 Difference]: Finished difference Result 55 states and 79 transitions. [2020-07-28 19:01:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:01:59,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:59,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:59,370 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:59,370 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:01:59,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:59,374 INFO L93 Difference]: Finished difference Result 55 states and 79 transitions. [2020-07-28 19:01:59,374 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:01:59,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:59,376 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:59,376 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:59,376 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 19:01:59,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-07-28 19:01:59,379 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-07-28 19:01:59,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:59,379 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-07-28 19:01:59,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-07-28 19:01:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:59,385 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:59,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:59,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:59,387 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:59,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:59,388 INFO L82 PathProgramCache]: Analyzing trace with hash -980873092, now seen corresponding path program 1 times [2020-07-28 19:01:59,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:59,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223140389] [2020-07-28 19:01:59,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:59,574 INFO L280 TraceCheckUtils]: 0: Hoare triple {1366#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {1366#true} is VALID [2020-07-28 19:01:59,575 INFO L280 TraceCheckUtils]: 1: Hoare triple {1366#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; {1366#true} is VALID [2020-07-28 19:01:59,575 INFO L280 TraceCheckUtils]: 2: Hoare triple {1366#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1368#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:01:59,576 INFO L280 TraceCheckUtils]: 3: Hoare triple {1368#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; {1369#(= 1 ULTIMATE.start_main_~tmp~5)} is VALID [2020-07-28 19:01:59,577 INFO L280 TraceCheckUtils]: 4: Hoare triple {1369#(= 1 ULTIMATE.start_main_~tmp~5)} assume 0 != main_~tmp~5; {1366#true} is VALID [2020-07-28 19:01:59,577 INFO L280 TraceCheckUtils]: 5: Hoare triple {1366#true} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1366#true} is VALID [2020-07-28 19:01:59,577 INFO L280 TraceCheckUtils]: 6: Hoare triple {1366#true} assume !false; {1366#true} is VALID [2020-07-28 19:01:59,578 INFO L280 TraceCheckUtils]: 7: Hoare triple {1366#true} assume test_~splverifierCounter~0 < 4; {1366#true} is VALID [2020-07-28 19:01:59,578 INFO L280 TraceCheckUtils]: 8: Hoare triple {1366#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; {1366#true} is VALID [2020-07-28 19:01:59,578 INFO L280 TraceCheckUtils]: 9: Hoare triple {1366#true} assume !(0 != test_~tmp~6); {1366#true} is VALID [2020-07-28 19:01:59,578 INFO L280 TraceCheckUtils]: 10: Hoare triple {1366#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; {1366#true} is VALID [2020-07-28 19:01:59,579 INFO L280 TraceCheckUtils]: 11: Hoare triple {1366#true} assume !(0 != test_~tmp___0~2); {1366#true} is VALID [2020-07-28 19:01:59,579 INFO L280 TraceCheckUtils]: 12: Hoare triple {1366#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {1366#true} is VALID [2020-07-28 19:01:59,580 INFO L280 TraceCheckUtils]: 13: Hoare triple {1366#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1370#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:59,581 INFO L280 TraceCheckUtils]: 14: Hoare triple {1370#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1370#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:59,585 INFO L280 TraceCheckUtils]: 15: Hoare triple {1370#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1367#false} is VALID [2020-07-28 19:01:59,585 INFO L280 TraceCheckUtils]: 16: Hoare triple {1367#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {1367#false} is VALID [2020-07-28 19:01:59,586 INFO L280 TraceCheckUtils]: 17: Hoare triple {1367#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1367#false} is VALID [2020-07-28 19:01:59,586 INFO L280 TraceCheckUtils]: 18: Hoare triple {1367#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {1367#false} is VALID [2020-07-28 19:01:59,586 INFO L280 TraceCheckUtils]: 19: Hoare triple {1367#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1367#false} is VALID [2020-07-28 19:01:59,587 INFO L280 TraceCheckUtils]: 20: Hoare triple {1367#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1367#false} is VALID [2020-07-28 19:01:59,587 INFO L280 TraceCheckUtils]: 21: Hoare triple {1367#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {1367#false} is VALID [2020-07-28 19:01:59,587 INFO L280 TraceCheckUtils]: 22: Hoare triple {1367#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1367#false} is VALID [2020-07-28 19:01:59,587 INFO L280 TraceCheckUtils]: 23: Hoare triple {1367#false} assume !false; {1367#false} is VALID [2020-07-28 19:01:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:59,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223140389] [2020-07-28 19:01:59,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:59,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:59,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110689945] [2020-07-28 19:01:59,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:59,592 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:59,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:59,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:59,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:59,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:59,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:59,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:59,625 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2020-07-28 19:02:00,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:00,177 INFO L93 Difference]: Finished difference Result 129 states and 189 transitions. [2020-07-28 19:02:00,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:02:00,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:02:00,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 189 transitions. [2020-07-28 19:02:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 189 transitions. [2020-07-28 19:02:00,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 189 transitions. [2020-07-28 19:02:00,421 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 189 edges. 189 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:00,423 INFO L225 Difference]: With dead ends: 129 [2020-07-28 19:02:00,425 INFO L226 Difference]: Without dead ends: 80 [2020-07-28 19:02:00,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:00,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-28 19:02:00,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2020-07-28 19:02:00,529 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:00,529 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 76 states. [2020-07-28 19:02:00,529 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 76 states. [2020-07-28 19:02:00,530 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 76 states. [2020-07-28 19:02:00,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:00,542 INFO L93 Difference]: Finished difference Result 80 states and 115 transitions. [2020-07-28 19:02:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2020-07-28 19:02:00,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:00,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:00,544 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 80 states. [2020-07-28 19:02:00,546 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 80 states. [2020-07-28 19:02:00,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:00,554 INFO L93 Difference]: Finished difference Result 80 states and 115 transitions. [2020-07-28 19:02:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2020-07-28 19:02:00,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:00,556 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:00,556 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:00,558 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-28 19:02:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 111 transitions. [2020-07-28 19:02:00,564 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 111 transitions. Word has length 24 [2020-07-28 19:02:00,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:00,564 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 111 transitions. [2020-07-28 19:02:00,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2020-07-28 19:02:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:02:00,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:00,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:00,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:02:00,567 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:00,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:00,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1838136026, now seen corresponding path program 1 times [2020-07-28 19:02:00,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:00,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130971821] [2020-07-28 19:02:00,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:00,697 INFO L280 TraceCheckUtils]: 0: Hoare triple {1831#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,698 INFO L280 TraceCheckUtils]: 1: Hoare triple {1833#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,699 INFO L280 TraceCheckUtils]: 2: Hoare triple {1833#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,700 INFO L280 TraceCheckUtils]: 3: Hoare triple {1833#(= 0 ~pumpRunning~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,701 INFO L280 TraceCheckUtils]: 4: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~5; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,701 INFO L280 TraceCheckUtils]: 5: Hoare triple {1833#(= 0 ~pumpRunning~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,702 INFO L280 TraceCheckUtils]: 6: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume !false; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,703 INFO L280 TraceCheckUtils]: 7: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,703 INFO L280 TraceCheckUtils]: 8: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,704 INFO L280 TraceCheckUtils]: 9: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,705 INFO L280 TraceCheckUtils]: 10: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,705 INFO L280 TraceCheckUtils]: 11: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,706 INFO L280 TraceCheckUtils]: 12: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,707 INFO L280 TraceCheckUtils]: 13: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,708 INFO L280 TraceCheckUtils]: 14: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,708 INFO L280 TraceCheckUtils]: 15: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,709 INFO L280 TraceCheckUtils]: 16: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {1833#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:00,710 INFO L280 TraceCheckUtils]: 17: Hoare triple {1833#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1832#false} is VALID [2020-07-28 19:02:00,710 INFO L280 TraceCheckUtils]: 18: Hoare triple {1832#false} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {1832#false} is VALID [2020-07-28 19:02:00,710 INFO L280 TraceCheckUtils]: 19: Hoare triple {1832#false} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1832#false} is VALID [2020-07-28 19:02:00,711 INFO L280 TraceCheckUtils]: 20: Hoare triple {1832#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {1832#false} is VALID [2020-07-28 19:02:00,711 INFO L280 TraceCheckUtils]: 21: Hoare triple {1832#false} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1832#false} is VALID [2020-07-28 19:02:00,711 INFO L280 TraceCheckUtils]: 22: Hoare triple {1832#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1832#false} is VALID [2020-07-28 19:02:00,712 INFO L280 TraceCheckUtils]: 23: Hoare triple {1832#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {1832#false} is VALID [2020-07-28 19:02:00,712 INFO L280 TraceCheckUtils]: 24: Hoare triple {1832#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1832#false} is VALID [2020-07-28 19:02:00,712 INFO L280 TraceCheckUtils]: 25: Hoare triple {1832#false} assume !false; {1832#false} is VALID [2020-07-28 19:02:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:00,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130971821] [2020-07-28 19:02:00,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:00,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:00,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440774288] [2020-07-28 19:02:00,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:02:00,717 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:00,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:00,751 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:00,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:00,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:00,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:00,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:00,753 INFO L87 Difference]: Start difference. First operand 76 states and 111 transitions. Second operand 3 states. [2020-07-28 19:02:01,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:01,093 INFO L93 Difference]: Finished difference Result 169 states and 249 transitions. [2020-07-28 19:02:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:01,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:02:01,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 187 transitions. [2020-07-28 19:02:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 187 transitions. [2020-07-28 19:02:01,099 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 187 transitions. [2020-07-28 19:02:01,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 187 edges. 187 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:01,325 INFO L225 Difference]: With dead ends: 169 [2020-07-28 19:02:01,325 INFO L226 Difference]: Without dead ends: 99 [2020-07-28 19:02:01,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:01,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-28 19:02:01,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2020-07-28 19:02:01,448 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:01,449 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 97 states. [2020-07-28 19:02:01,449 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 97 states. [2020-07-28 19:02:01,449 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 97 states. [2020-07-28 19:02:01,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:01,454 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-07-28 19:02:01,454 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2020-07-28 19:02:01,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:01,455 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:01,455 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 99 states. [2020-07-28 19:02:01,455 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 99 states. [2020-07-28 19:02:01,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:01,459 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-07-28 19:02:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2020-07-28 19:02:01,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:01,460 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:01,460 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:01,460 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-28 19:02:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2020-07-28 19:02:01,464 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 26 [2020-07-28 19:02:01,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:01,464 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2020-07-28 19:02:01,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2020-07-28 19:02:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:02:01,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:01,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:01,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:02:01,466 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:01,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:01,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1544213679, now seen corresponding path program 1 times [2020-07-28 19:02:01,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:01,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17257313] [2020-07-28 19:02:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:01,576 INFO L280 TraceCheckUtils]: 0: Hoare triple {2411#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,578 INFO L280 TraceCheckUtils]: 1: Hoare triple {2413#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,579 INFO L280 TraceCheckUtils]: 2: Hoare triple {2413#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,580 INFO L280 TraceCheckUtils]: 3: Hoare triple {2413#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~5 := main_#t~ret35;havoc main_#t~ret35; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,582 INFO L280 TraceCheckUtils]: 4: Hoare triple {2413#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~5; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,583 INFO L280 TraceCheckUtils]: 5: Hoare triple {2413#(= 1 ~waterLevel~0)} havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,584 INFO L280 TraceCheckUtils]: 6: Hoare triple {2413#(= 1 ~waterLevel~0)} assume !false; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,586 INFO L280 TraceCheckUtils]: 7: Hoare triple {2413#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,588 INFO L280 TraceCheckUtils]: 8: Hoare triple {2413#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp~6 := test_#t~nondet36;havoc test_#t~nondet36; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,589 INFO L280 TraceCheckUtils]: 9: Hoare triple {2413#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~6); {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,590 INFO L280 TraceCheckUtils]: 10: Hoare triple {2413#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___0~2 := test_#t~nondet37;havoc test_#t~nondet37; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,591 INFO L280 TraceCheckUtils]: 11: Hoare triple {2413#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,592 INFO L280 TraceCheckUtils]: 12: Hoare triple {2413#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,593 INFO L280 TraceCheckUtils]: 13: Hoare triple {2413#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___1~1 := test_#t~nondet39;havoc test_#t~nondet39; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,594 INFO L280 TraceCheckUtils]: 14: Hoare triple {2413#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~1; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,595 INFO L280 TraceCheckUtils]: 15: Hoare triple {2413#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,596 INFO L280 TraceCheckUtils]: 16: Hoare triple {2413#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,597 INFO L280 TraceCheckUtils]: 17: Hoare triple {2413#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,598 INFO L280 TraceCheckUtils]: 18: Hoare triple {2413#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,598 INFO L280 TraceCheckUtils]: 19: Hoare triple {2413#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,599 INFO L280 TraceCheckUtils]: 20: Hoare triple {2413#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {2413#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:01,601 INFO L280 TraceCheckUtils]: 21: Hoare triple {2413#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {2414#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:02:01,602 INFO L280 TraceCheckUtils]: 22: Hoare triple {2414#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {2415#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} is VALID [2020-07-28 19:02:01,603 INFO L280 TraceCheckUtils]: 23: Hoare triple {2415#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {2412#false} is VALID [2020-07-28 19:02:01,603 INFO L280 TraceCheckUtils]: 24: Hoare triple {2412#false} __utac_acc__Specification3_spec__1_#t~ret3 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret3 && __utac_acc__Specification3_spec__1_#t~ret3 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret3;havoc __utac_acc__Specification3_spec__1_#t~ret3; {2412#false} is VALID [2020-07-28 19:02:01,604 INFO L280 TraceCheckUtils]: 25: Hoare triple {2412#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {2412#false} is VALID [2020-07-28 19:02:01,604 INFO L280 TraceCheckUtils]: 26: Hoare triple {2412#false} assume !false; {2412#false} is VALID [2020-07-28 19:02:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:01,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17257313] [2020-07-28 19:02:01,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:01,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:02:01,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518125085] [2020-07-28 19:02:01,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:01,609 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:01,609 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:01,649 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:01,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:01,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:01,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:01,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:01,669 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand 5 states. [2020-07-28 19:02:02,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:02,948 INFO L93 Difference]: Finished difference Result 507 states and 739 transitions. [2020-07-28 19:02:02,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:02:02,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:02:02,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:02,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 405 transitions. [2020-07-28 19:02:02,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 405 transitions. [2020-07-28 19:02:02,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 405 transitions. [2020-07-28 19:02:03,414 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 405 edges. 405 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:03,430 INFO L225 Difference]: With dead ends: 507 [2020-07-28 19:02:03,430 INFO L226 Difference]: Without dead ends: 416 [2020-07-28 19:02:03,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:03,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-07-28 19:02:03,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 165. [2020-07-28 19:02:03,732 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:03,732 INFO L82 GeneralOperation]: Start isEquivalent. First operand 416 states. Second operand 165 states. [2020-07-28 19:02:03,733 INFO L74 IsIncluded]: Start isIncluded. First operand 416 states. Second operand 165 states. [2020-07-28 19:02:03,733 INFO L87 Difference]: Start difference. First operand 416 states. Second operand 165 states. [2020-07-28 19:02:03,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:03,752 INFO L93 Difference]: Finished difference Result 416 states and 589 transitions. [2020-07-28 19:02:03,752 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 589 transitions. [2020-07-28 19:02:03,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:03,754 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:03,754 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand 416 states. [2020-07-28 19:02:03,754 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 416 states. [2020-07-28 19:02:03,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:03,793 INFO L93 Difference]: Finished difference Result 416 states and 589 transitions. [2020-07-28 19:02:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 589 transitions. [2020-07-28 19:02:03,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:03,794 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:03,795 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:03,795 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:03,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-07-28 19:02:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 230 transitions. [2020-07-28 19:02:03,801 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 230 transitions. Word has length 27 [2020-07-28 19:02:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:03,802 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 230 transitions. [2020-07-28 19:02:03,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 230 transitions. [2020-07-28 19:02:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:02:03,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:03,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:03,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:02:03,804 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:03,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:03,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1050489875, now seen corresponding path program 1 times [2020-07-28 19:02:03,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:03,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139486141] [2020-07-28 19:02:03,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:03,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:02:03,964 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:02:04,010 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:02:04,011 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:02:04,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:02:04,125 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:02:04,125 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:02:04,125 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 19:02:04,125 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:02:04,125 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-28 19:02:04,125 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L530-1 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L105-1 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L105-1 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L105-1 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2020-07-28 19:02:04,126 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L236-1 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L236-1 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L135-3 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L135-3 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L236-2 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L236-2 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-28 19:02:04,127 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L294-1 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L294-1 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L243-1 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L147 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L147 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L564-1 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L172-4 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L268-3 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L268-3 has no Hoare annotation [2020-07-28 19:02:04,128 WARN L170 areAnnotationChecker]: L172-7 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L355-3 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L212-3 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L212-3 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:02:04,129 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:02:04,130 WARN L170 areAnnotationChecker]: L574-1 has no Hoare annotation [2020-07-28 19:02:04,130 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2020-07-28 19:02:04,130 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2020-07-28 19:02:04,130 WARN L170 areAnnotationChecker]: L217-3 has no Hoare annotation [2020-07-28 19:02:04,130 WARN L170 areAnnotationChecker]: L105-3 has no Hoare annotation [2020-07-28 19:02:04,130 WARN L170 areAnnotationChecker]: L204-1 has no Hoare annotation [2020-07-28 19:02:04,130 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2020-07-28 19:02:04,130 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L268-2 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L268-2 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L413-9 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L413-9 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L458-2 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L458-2 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L458-2 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L105-2 has no Hoare annotation [2020-07-28 19:02:04,131 WARN L170 areAnnotationChecker]: L105-2 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L592-1 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L592-1 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L413-11 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-28 19:02:04,132 WARN L170 areAnnotationChecker]: L364-1 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L427 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L427 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L217-2 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L419-3 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L462 has no Hoare annotation [2020-07-28 19:02:04,133 WARN L170 areAnnotationChecker]: L462 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L109-2 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L109-2 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L427-1 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L413-6 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L413-6 has no Hoare annotation [2020-07-28 19:02:04,134 WARN L170 areAnnotationChecker]: L272-3 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L272-3 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L462-1 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L462-1 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L268-1 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L268-1 has no Hoare annotation [2020-07-28 19:02:04,135 WARN L170 areAnnotationChecker]: L172-3 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L413-8 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L172-6 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L135-6 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L135-6 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L236-3 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L236-3 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L212-1 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L212-1 has no Hoare annotation [2020-07-28 19:02:04,136 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L419-2 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L355-5 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L294-2 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L294-2 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L243-2 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-28 19:02:04,137 WARN L170 areAnnotationChecker]: L217-1 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L272-2 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L272-2 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L330-6 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L330-6 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L172-8 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L268-5 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L268-5 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L172-11 has no Hoare annotation [2020-07-28 19:02:04,138 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L413-3 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L413-3 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L172-5 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L355-6 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L212-5 has no Hoare annotation [2020-07-28 19:02:04,139 WARN L170 areAnnotationChecker]: L212-5 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L99-4 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L99-4 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L413-5 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L355-4 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L298-2 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L298-2 has no Hoare annotation [2020-07-28 19:02:04,140 WARN L170 areAnnotationChecker]: L217-5 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L105-5 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L204-2 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L419-1 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L330-4 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L330-4 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L268-4 has no Hoare annotation [2020-07-28 19:02:04,141 WARN L170 areAnnotationChecker]: L268-4 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L413-15 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L413-15 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L105-4 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L105-4 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L272-1 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L272-1 has no Hoare annotation [2020-07-28 19:02:04,142 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L212-4 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L212-4 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L413-17 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L364-2 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L413-2 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L172-2 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L217-4 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L419-5 has no Hoare annotation [2020-07-28 19:02:04,143 WARN L170 areAnnotationChecker]: L109-4 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L109-4 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L355-2 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L413-12 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L413-12 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L272-5 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L272-5 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:02:04,144 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L330-2 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L330-2 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L413-14 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L172-10 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L172-1 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L419-4 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L355-8 has no Hoare annotation [2020-07-28 19:02:04,145 WARN L170 areAnnotationChecker]: L355-1 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L272-4 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L272-4 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L330-10 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L330-10 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L330 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L330 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L172-9 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L355-7 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L330-8 has no Hoare annotation [2020-07-28 19:02:04,146 WARN L170 areAnnotationChecker]: L330-8 has no Hoare annotation [2020-07-28 19:02:04,147 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:02:04,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:02:04 BoogieIcfgContainer [2020-07-28 19:02:04,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:02:04,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:02:04,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:02:04,150 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:02:04,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:56" (3/4) ... [2020-07-28 19:02:04,153 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:02:04,266 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:02:04,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:02:04,269 INFO L168 Benchmark]: Toolchain (without parser) took 10121.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.1 MB). Free memory was 958.9 MB in the beginning and 890.3 MB in the end (delta: 68.6 MB). Peak memory consumption was 383.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:04,269 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:04,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:04,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.40 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:04,271 INFO L168 Benchmark]: Boogie Preprocessor took 59.63 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:04,271 INFO L168 Benchmark]: RCFGBuilder took 1805.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.6 MB in the end (delta: 193.3 MB). Peak memory consumption was 193.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:04,272 INFO L168 Benchmark]: TraceAbstraction took 7159.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 902.6 MB in the beginning and 918.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 163.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:04,272 INFO L168 Benchmark]: Witness Printer took 116.10 ms. Allocated memory is still 1.3 GB. Free memory was 918.7 MB in the beginning and 890.3 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:04,275 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 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 835.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 958.9 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 135.40 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.63 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1805.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.6 MB in the end (delta: 193.3 MB). Peak memory consumption was 193.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7159.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 902.6 MB in the beginning and 918.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 163.7 MB. Max. memory is 11.5 GB. * Witness Printer took 116.10 ms. Allocated memory is still 1.3 GB. Free memory was 918.7 MB in the beginning and 890.3 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L129] int waterLevel = 1; [L130] int methaneLevelCritical = 0; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L447] int cleanupTimeShifts = 4; [L782] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] int retValue_acc ; [L522] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] tmp = valid_product() [L530] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L554] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L556] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L562] tmp = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] COND TRUE waterLevel < 2 [L148] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] tmp___0 = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND FALSE !(\read(tmp___2)) [L590] tmp___1 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L434] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L236] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L243] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; [L168] int retValue_acc ; [L171] retValue_acc = methaneLevelCritical [L172] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L200] int retValue_acc ; [L203] retValue_acc = waterLevel [L204] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 [L360] int retValue_acc ; [L363] retValue_acc = pumpRunning [L364] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 557 SDtfs, 732 SDslu, 397 SDs, 0 SdLazy, 65 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 257 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 4791 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...