./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product02.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 3d4424fd56eee579c48980b036d65ad5b2d9388e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:56,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:56,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:56,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:56,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:56,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:56,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:56,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:56,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:56,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:56,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:56,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:56,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:56,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:56,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:56,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:56,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:56,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:56,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:56,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:56,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:56,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:56,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:56,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:56,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:56,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:56,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:56,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:56,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:56,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:56,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:56,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:56,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:56,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:56,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:56,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:56,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:56,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:56,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:56,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:56,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:56,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:56,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:56,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:56,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:56,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:56,119 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:56,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:56,120 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:56,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:56,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:56,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:56,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:56,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:56,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:56,121 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:56,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:56,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:56,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:56,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:56,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:56,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:56,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:56,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:56,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:56,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:56,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:56,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:56,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:56,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:56,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:56,131 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 -> 3d4424fd56eee579c48980b036d65ad5b2d9388e [2020-07-28 18:58:56,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:56,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:56,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:56,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:56,484 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:56,485 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2020-07-28 18:58:56,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce6e5a5f5/4b338899a2e84d95a2545e995d8c670e/FLAG634dc6cfc [2020-07-28 18:58:57,046 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:57,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2020-07-28 18:58:57,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce6e5a5f5/4b338899a2e84d95a2545e995d8c670e/FLAG634dc6cfc [2020-07-28 18:58:57,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce6e5a5f5/4b338899a2e84d95a2545e995d8c670e [2020-07-28 18:58:57,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:57,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:57,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:57,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:57,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:57,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:57" (1/1) ... [2020-07-28 18:58:57,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9257166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:57, skipping insertion in model container [2020-07-28 18:58:57,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:57" (1/1) ... [2020-07-28 18:58:57,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:57,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:57,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:57,835 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:57,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:58,006 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:58,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58 WrapperNode [2020-07-28 18:58:58,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:58,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:58,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:58,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:58,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:58,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:58,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:58,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:58,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... [2020-07-28 18:58:58,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:58,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:58,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:58,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:58,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:59,374 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:59,375 INFO L295 CfgBuilder]: Removed 70 assume(true) statements. [2020-07-28 18:58:59,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:59 BoogieIcfgContainer [2020-07-28 18:58:59,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:59,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:59,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:59,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:59,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:57" (1/3) ... [2020-07-28 18:58:59,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650fd077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:59, skipping insertion in model container [2020-07-28 18:58:59,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:58" (2/3) ... [2020-07-28 18:58:59,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650fd077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:59, skipping insertion in model container [2020-07-28 18:58:59,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:59" (3/3) ... [2020-07-28 18:58:59,391 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2020-07-28 18:58:59,402 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:59,411 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:59,426 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:59,454 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:59,454 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:59,455 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:59,455 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:59,456 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:59,456 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:59,456 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:59,457 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-07-28 18:58:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:58:59,484 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:59,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:59,486 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:59,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:59,494 INFO L82 PathProgramCache]: Analyzing trace with hash -805652889, now seen corresponding path program 1 times [2020-07-28 18:58:59,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:59,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781360186] [2020-07-28 18:58:59,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:59,813 INFO L280 TraceCheckUtils]: 0: Hoare triple {64#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {64#true} is VALID [2020-07-28 18:58:59,814 INFO L280 TraceCheckUtils]: 1: Hoare triple {64#true} havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {64#true} is VALID [2020-07-28 18:58:59,815 INFO L280 TraceCheckUtils]: 2: Hoare triple {64#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; {64#true} is VALID [2020-07-28 18:58:59,816 INFO L280 TraceCheckUtils]: 3: Hoare triple {64#true} main_#t~ret48 := valid_product_#res;assume -2147483648 <= main_#t~ret48 && main_#t~ret48 <= 2147483647;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; {64#true} is VALID [2020-07-28 18:58:59,816 INFO L280 TraceCheckUtils]: 4: Hoare triple {64#true} assume 0 != main_~tmp~4; {64#true} is VALID [2020-07-28 18:58:59,818 INFO L280 TraceCheckUtils]: 5: Hoare triple {64#true} ~methAndRunningLastTime~0 := 0; {64#true} is VALID [2020-07-28 18:58:59,819 INFO L280 TraceCheckUtils]: 6: Hoare triple {64#true} havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {64#true} is VALID [2020-07-28 18:58:59,820 INFO L280 TraceCheckUtils]: 7: Hoare triple {64#true} assume false; {65#false} is VALID [2020-07-28 18:58:59,820 INFO L280 TraceCheckUtils]: 8: Hoare triple {65#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {65#false} is VALID [2020-07-28 18:58:59,821 INFO L280 TraceCheckUtils]: 9: Hoare triple {65#false} assume !(0 != ~pumpRunning~0); {65#false} is VALID [2020-07-28 18:58:59,821 INFO L280 TraceCheckUtils]: 10: Hoare triple {65#false} assume 0 != ~systemActive~0; {65#false} is VALID [2020-07-28 18:58:59,822 INFO L280 TraceCheckUtils]: 11: Hoare triple {65#false} havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; {65#false} is VALID [2020-07-28 18:58:59,822 INFO L280 TraceCheckUtils]: 12: Hoare triple {65#false} __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret11 && __utac_acc__Specification2_spec__2_#t~ret11 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; {65#false} is VALID [2020-07-28 18:58:59,823 INFO L280 TraceCheckUtils]: 13: Hoare triple {65#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {65#false} is VALID [2020-07-28 18:58:59,823 INFO L280 TraceCheckUtils]: 14: Hoare triple {65#false} __utac_acc__Specification2_spec__2_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret12 && __utac_acc__Specification2_spec__2_#t~ret12 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret12;havoc __utac_acc__Specification2_spec__2_#t~ret12; {65#false} is VALID [2020-07-28 18:58:59,824 INFO L280 TraceCheckUtils]: 15: Hoare triple {65#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {65#false} is VALID [2020-07-28 18:58:59,824 INFO L280 TraceCheckUtils]: 16: Hoare triple {65#false} assume 0 != ~methAndRunningLastTime~0; {65#false} is VALID [2020-07-28 18:58:59,824 INFO L280 TraceCheckUtils]: 17: Hoare triple {65#false} assume !false; {65#false} is VALID [2020-07-28 18:58:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:59,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781360186] [2020-07-28 18:58:59,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:59,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:59,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360276557] [2020-07-28 18:58:59,839 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:58:59,841 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:59,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:59,890 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:59,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:59,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:59,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:59,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:59,904 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-07-28 18:59:00,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:00,110 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2020-07-28 18:59:00,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:00,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:00,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:00,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 174 transitions. [2020-07-28 18:59:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 174 transitions. [2020-07-28 18:59:00,139 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 174 transitions. [2020-07-28 18:59:00,385 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:00,400 INFO L225 Difference]: With dead ends: 115 [2020-07-28 18:59:00,401 INFO L226 Difference]: Without dead ends: 57 [2020-07-28 18:59:00,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:00,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-28 18:59:00,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-07-28 18:59:00,457 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:00,458 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:00,459 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:00,459 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:00,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:00,465 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-07-28 18:59:00,465 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-07-28 18:59:00,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:00,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:00,466 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:00,467 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 57 states. [2020-07-28 18:59:00,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:00,471 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-07-28 18:59:00,472 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-07-28 18:59:00,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:00,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:00,473 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:00,474 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:00,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-07-28 18:59:00,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-07-28 18:59:00,480 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-07-28 18:59:00,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:00,480 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-07-28 18:59:00,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-07-28 18:59:00,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:00,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:00,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:00,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:00,483 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:00,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:00,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1024488858, now seen corresponding path program 1 times [2020-07-28 18:59:00,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:00,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666081192] [2020-07-28 18:59:00,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:00,689 INFO L280 TraceCheckUtils]: 0: Hoare triple {426#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {426#true} is VALID [2020-07-28 18:59:00,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {426#true} havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {426#true} is VALID [2020-07-28 18:59:00,690 INFO L280 TraceCheckUtils]: 2: Hoare triple {426#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; {426#true} is VALID [2020-07-28 18:59:00,690 INFO L280 TraceCheckUtils]: 3: Hoare triple {426#true} main_#t~ret48 := valid_product_#res;assume -2147483648 <= main_#t~ret48 && main_#t~ret48 <= 2147483647;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; {426#true} is VALID [2020-07-28 18:59:00,691 INFO L280 TraceCheckUtils]: 4: Hoare triple {426#true} assume 0 != main_~tmp~4; {426#true} is VALID [2020-07-28 18:59:00,693 INFO L280 TraceCheckUtils]: 5: Hoare triple {426#true} ~methAndRunningLastTime~0 := 0; {426#true} is VALID [2020-07-28 18:59:00,694 INFO L280 TraceCheckUtils]: 6: Hoare triple {426#true} havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {428#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:00,695 INFO L280 TraceCheckUtils]: 7: Hoare triple {428#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {428#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:00,696 INFO L280 TraceCheckUtils]: 8: Hoare triple {428#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {427#false} is VALID [2020-07-28 18:59:00,697 INFO L280 TraceCheckUtils]: 9: Hoare triple {427#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {427#false} is VALID [2020-07-28 18:59:00,697 INFO L280 TraceCheckUtils]: 10: Hoare triple {427#false} assume !(0 != ~pumpRunning~0); {427#false} is VALID [2020-07-28 18:59:00,698 INFO L280 TraceCheckUtils]: 11: Hoare triple {427#false} assume 0 != ~systemActive~0; {427#false} is VALID [2020-07-28 18:59:00,698 INFO L280 TraceCheckUtils]: 12: Hoare triple {427#false} havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; {427#false} is VALID [2020-07-28 18:59:00,698 INFO L280 TraceCheckUtils]: 13: Hoare triple {427#false} __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret11 && __utac_acc__Specification2_spec__2_#t~ret11 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; {427#false} is VALID [2020-07-28 18:59:00,699 INFO L280 TraceCheckUtils]: 14: Hoare triple {427#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {427#false} is VALID [2020-07-28 18:59:00,699 INFO L280 TraceCheckUtils]: 15: Hoare triple {427#false} __utac_acc__Specification2_spec__2_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret12 && __utac_acc__Specification2_spec__2_#t~ret12 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret12;havoc __utac_acc__Specification2_spec__2_#t~ret12; {427#false} is VALID [2020-07-28 18:59:00,700 INFO L280 TraceCheckUtils]: 16: Hoare triple {427#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {427#false} is VALID [2020-07-28 18:59:00,700 INFO L280 TraceCheckUtils]: 17: Hoare triple {427#false} assume 0 != ~methAndRunningLastTime~0; {427#false} is VALID [2020-07-28 18:59:00,700 INFO L280 TraceCheckUtils]: 18: Hoare triple {427#false} assume !false; {427#false} is VALID [2020-07-28 18:59:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:00,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666081192] [2020-07-28 18:59:00,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:00,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:00,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238452999] [2020-07-28 18:59:00,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:00,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:00,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:00,737 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:00,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:00,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:00,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:00,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:00,739 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2020-07-28 18:59:00,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:00,974 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-07-28 18:59:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:00,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:00,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2020-07-28 18:59:00,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2020-07-28 18:59:00,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 79 transitions. [2020-07-28 18:59:01,095 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:01,097 INFO L225 Difference]: With dead ends: 57 [2020-07-28 18:59:01,097 INFO L226 Difference]: Without dead ends: 29 [2020-07-28 18:59:01,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:01,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-28 18:59:01,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-28 18:59:01,111 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:01,112 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:01,112 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:01,112 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:01,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:01,114 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 18:59:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:59:01,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:01,116 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:01,116 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:01,116 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 18:59:01,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:01,118 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 18:59:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:59:01,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:01,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:01,120 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:01,120 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 18:59:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-07-28 18:59:01,123 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-07-28 18:59:01,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:01,123 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-07-28 18:59:01,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 18:59:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:01,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:01,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:01,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:01,126 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:01,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:01,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2020-07-28 18:59:01,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:01,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640034749] [2020-07-28 18:59:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:01,238 INFO L280 TraceCheckUtils]: 0: Hoare triple {611#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,239 INFO L280 TraceCheckUtils]: 1: Hoare triple {613#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,240 INFO L280 TraceCheckUtils]: 2: Hoare triple {613#(= 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; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,241 INFO L280 TraceCheckUtils]: 3: Hoare triple {613#(= 0 ~pumpRunning~0)} main_#t~ret48 := valid_product_#res;assume -2147483648 <= main_#t~ret48 && main_#t~ret48 <= 2147483647;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,241 INFO L280 TraceCheckUtils]: 4: Hoare triple {613#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~4; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,242 INFO L280 TraceCheckUtils]: 5: Hoare triple {613#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,243 INFO L280 TraceCheckUtils]: 6: Hoare triple {613#(= 0 ~pumpRunning~0)} havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,244 INFO L280 TraceCheckUtils]: 7: Hoare triple {613#(= 0 ~pumpRunning~0)} assume !false; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,247 INFO L280 TraceCheckUtils]: 8: Hoare triple {613#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,248 INFO L280 TraceCheckUtils]: 9: Hoare triple {613#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet66 && test_#t~nondet66 <= 2147483647;test_~tmp~5 := test_#t~nondet66;havoc test_#t~nondet66; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,249 INFO L280 TraceCheckUtils]: 10: Hoare triple {613#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,250 INFO L280 TraceCheckUtils]: 11: Hoare triple {613#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,250 INFO L280 TraceCheckUtils]: 12: Hoare triple {613#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,251 INFO L280 TraceCheckUtils]: 13: Hoare triple {613#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,252 INFO L280 TraceCheckUtils]: 14: Hoare triple {613#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,253 INFO L280 TraceCheckUtils]: 15: Hoare triple {613#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,255 INFO L280 TraceCheckUtils]: 16: Hoare triple {613#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,257 INFO L280 TraceCheckUtils]: 17: Hoare triple {613#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,259 INFO L280 TraceCheckUtils]: 18: Hoare triple {613#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret11 && __utac_acc__Specification2_spec__2_#t~ret11 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; {613#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:01,261 INFO L280 TraceCheckUtils]: 19: Hoare triple {613#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {614#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:01,263 INFO L280 TraceCheckUtils]: 20: Hoare triple {614#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret12 && __utac_acc__Specification2_spec__2_#t~ret12 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret12;havoc __utac_acc__Specification2_spec__2_#t~ret12; {615#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} is VALID [2020-07-28 18:59:01,266 INFO L280 TraceCheckUtils]: 21: Hoare triple {615#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {612#false} is VALID [2020-07-28 18:59:01,266 INFO L280 TraceCheckUtils]: 22: Hoare triple {612#false} assume 0 != ~methAndRunningLastTime~0; {612#false} is VALID [2020-07-28 18:59:01,266 INFO L280 TraceCheckUtils]: 23: Hoare triple {612#false} assume !false; {612#false} is VALID [2020-07-28 18:59:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:01,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640034749] [2020-07-28 18:59:01,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:01,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:01,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271643838] [2020-07-28 18:59:01,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:01,270 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:01,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:01,308 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:01,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:01,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:01,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:01,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:01,310 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-07-28 18:59:01,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:01,747 INFO L93 Difference]: Finished difference Result 77 states and 115 transitions. [2020-07-28 18:59:01,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:01,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:01,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 115 transitions. [2020-07-28 18:59:01,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 115 transitions. [2020-07-28 18:59:01,753 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 115 transitions. [2020-07-28 18:59:01,914 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 115 edges. 115 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:01,914 INFO L225 Difference]: With dead ends: 77 [2020-07-28 18:59:01,914 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:01,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:01,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:01,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:01,917 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:01,917 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:01,917 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:01,917 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:01,917 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:01,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:01,918 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:01,918 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:01,918 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:01,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:01,919 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:01,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:01,919 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:01,919 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:01,919 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:01,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:01,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-28 18:59:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:01,920 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:01,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:01,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:01,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:01,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:02,080 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2020-07-28 18:59:02,081 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-07-28 18:59:02,081 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:02,081 INFO L268 CegarLoopResult]: For program point L829(lines 829 842) no Hoare annotation was computed. [2020-07-28 18:59:02,081 INFO L264 CegarLoopResult]: At program point L681(lines 680 699) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:02,081 INFO L268 CegarLoopResult]: For program point L681-1(lines 681 687) no Hoare annotation was computed. [2020-07-28 18:59:02,081 INFO L264 CegarLoopResult]: At program point L681-2(lines 680 699) the Hoare annotation is: false [2020-07-28 18:59:02,082 INFO L264 CegarLoopResult]: At program point L681-3(lines 680 699) the Hoare annotation is: false [2020-07-28 18:59:02,082 INFO L264 CegarLoopResult]: At program point L632(lines 628 634) the Hoare annotation is: (= 0 ~pumpRunning~0) [2020-07-28 18:59:02,082 INFO L264 CegarLoopResult]: At program point L847(lines 798 848) the Hoare annotation is: false [2020-07-28 18:59:02,082 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 597) the Hoare annotation is: false [2020-07-28 18:59:02,082 INFO L268 CegarLoopResult]: For program point L187(lines 187 197) no Hoare annotation was computed. [2020-07-28 18:59:02,082 INFO L271 CegarLoopResult]: At program point L666(lines 647 669) the Hoare annotation is: true [2020-07-28 18:59:02,082 INFO L268 CegarLoopResult]: For program point L187-2(lines 187 197) no Hoare annotation was computed. [2020-07-28 18:59:02,083 INFO L268 CegarLoopResult]: For program point L187-4(lines 187 197) no Hoare annotation was computed. [2020-07-28 18:59:02,083 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-28 18:59:02,083 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-07-28 18:59:02,083 INFO L268 CegarLoopResult]: For program point L188-2(lines 188 194) no Hoare annotation was computed. [2020-07-28 18:59:02,083 INFO L268 CegarLoopResult]: For program point L188-4(lines 188 194) no Hoare annotation was computed. [2020-07-28 18:59:02,083 INFO L264 CegarLoopResult]: At program point L172(lines 167 174) the Hoare annotation is: (= 0 ~pumpRunning~0) [2020-07-28 18:59:02,083 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (= 0 ~pumpRunning~0) [2020-07-28 18:59:02,083 INFO L268 CegarLoopResult]: For program point L800(lines 799 846) no Hoare annotation was computed. [2020-07-28 18:59:02,084 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-07-28 18:59:02,084 INFO L268 CegarLoopResult]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2020-07-28 18:59:02,084 INFO L268 CegarLoopResult]: For program point L90-6(lines 90 94) no Hoare annotation was computed. [2020-07-28 18:59:02,084 INFO L268 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-07-28 18:59:02,084 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:02,084 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-07-28 18:59:02,084 INFO L268 CegarLoopResult]: For program point L587-1(lines 681 687) no Hoare annotation was computed. [2020-07-28 18:59:02,084 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2020-07-28 18:59:02,085 INFO L268 CegarLoopResult]: For program point L819(lines 819 825) no Hoare annotation was computed. [2020-07-28 18:59:02,085 INFO L264 CegarLoopResult]: At program point L819-1(lines 819 825) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:02,085 INFO L264 CegarLoopResult]: At program point L688(lines 688 694) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:02,085 INFO L264 CegarLoopResult]: At program point L688-1(lines 688 694) the Hoare annotation is: false [2020-07-28 18:59:02,085 INFO L264 CegarLoopResult]: At program point L688-2(lines 688 694) the Hoare annotation is: false [2020-07-28 18:59:02,085 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-07-28 18:59:02,085 INFO L264 CegarLoopResult]: At program point L837-2(lines 681 687) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:02,086 INFO L264 CegarLoopResult]: At program point L127(lines 122 130) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:02,086 INFO L264 CegarLoopResult]: At program point L127-1(lines 122 130) the Hoare annotation is: false [2020-07-28 18:59:02,086 INFO L264 CegarLoopResult]: At program point L127-2(lines 122 130) the Hoare annotation is: false [2020-07-28 18:59:02,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:02,086 INFO L268 CegarLoopResult]: For program point L657(lines 657 664) no Hoare annotation was computed. [2020-07-28 18:59:02,086 INFO L271 CegarLoopResult]: At program point L657-1(lines 657 664) the Hoare annotation is: true [2020-07-28 18:59:02,086 INFO L264 CegarLoopResult]: At program point L740(lines 735 743) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:02,087 INFO L264 CegarLoopResult]: At program point L740-1(lines 735 743) the Hoare annotation is: false [2020-07-28 18:59:02,087 INFO L264 CegarLoopResult]: At program point L740-2(lines 735 743) the Hoare annotation is: false [2020-07-28 18:59:02,087 INFO L268 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-07-28 18:59:02,087 INFO L264 CegarLoopResult]: At program point L65(lines 1 863) the Hoare annotation is: (= 0 ~pumpRunning~0) [2020-07-28 18:59:02,087 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:02,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2020-07-28 18:59:02,087 INFO L268 CegarLoopResult]: For program point L809(lines 809 815) no Hoare annotation was computed. [2020-07-28 18:59:02,088 INFO L264 CegarLoopResult]: At program point L809-1(lines 809 815) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:02,088 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-28 18:59:02,088 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-07-28 18:59:02,088 INFO L268 CegarLoopResult]: For program point L860-2(line 860) no Hoare annotation was computed. [2020-07-28 18:59:02,088 INFO L268 CegarLoopResult]: For program point L183(lines 183 200) no Hoare annotation was computed. [2020-07-28 18:59:02,088 INFO L264 CegarLoopResult]: At program point L183-1(lines 1 863) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:02,088 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 200) no Hoare annotation was computed. [2020-07-28 18:59:02,088 INFO L264 CegarLoopResult]: At program point L183-3(lines 1 863) the Hoare annotation is: false [2020-07-28 18:59:02,089 INFO L268 CegarLoopResult]: For program point L183-4(lines 183 200) no Hoare annotation was computed. [2020-07-28 18:59:02,089 INFO L264 CegarLoopResult]: At program point L183-5(lines 1 863) the Hoare annotation is: false [2020-07-28 18:59:02,093 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:02,094 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:02,094 WARN L170 areAnnotationChecker]: L657 has no Hoare annotation [2020-07-28 18:59:02,095 WARN L170 areAnnotationChecker]: L657 has no Hoare annotation [2020-07-28 18:59:02,095 WARN L170 areAnnotationChecker]: L657 has no Hoare annotation [2020-07-28 18:59:02,096 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:02,097 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:59:02,097 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:02,097 WARN L170 areAnnotationChecker]: L681-1 has no Hoare annotation [2020-07-28 18:59:02,097 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:59:02,097 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-28 18:59:02,098 WARN L170 areAnnotationChecker]: L681-1 has no Hoare annotation [2020-07-28 18:59:02,098 WARN L170 areAnnotationChecker]: L681-1 has no Hoare annotation [2020-07-28 18:59:02,098 WARN L170 areAnnotationChecker]: L801 has no Hoare annotation [2020-07-28 18:59:02,098 WARN L170 areAnnotationChecker]: L90-3 has no Hoare annotation [2020-07-28 18:59:02,098 WARN L170 areAnnotationChecker]: L90-3 has no Hoare annotation [2020-07-28 18:59:02,098 WARN L170 areAnnotationChecker]: L809 has no Hoare annotation [2020-07-28 18:59:02,098 WARN L170 areAnnotationChecker]: L809 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2020-07-28 18:59:02,099 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 18:59:02,100 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 18:59:02,100 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 18:59:02,100 WARN L170 areAnnotationChecker]: L187-2 has no Hoare annotation [2020-07-28 18:59:02,100 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 18:59:02,100 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 18:59:02,100 WARN L170 areAnnotationChecker]: L187-2 has no Hoare annotation [2020-07-28 18:59:02,100 WARN L170 areAnnotationChecker]: L187-2 has no Hoare annotation [2020-07-28 18:59:02,100 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2020-07-28 18:59:02,101 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 18:59:02,101 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 18:59:02,102 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 18:59:02,102 WARN L170 areAnnotationChecker]: L188-2 has no Hoare annotation [2020-07-28 18:59:02,102 WARN L170 areAnnotationChecker]: L188-2 has no Hoare annotation [2020-07-28 18:59:02,102 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2020-07-28 18:59:02,102 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 18:59:02,102 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 18:59:02,103 WARN L170 areAnnotationChecker]: L860-1 has no Hoare annotation [2020-07-28 18:59:02,104 WARN L170 areAnnotationChecker]: L860-1 has no Hoare annotation [2020-07-28 18:59:02,104 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 18:59:02,104 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 18:59:02,105 WARN L170 areAnnotationChecker]: L587-1 has no Hoare annotation [2020-07-28 18:59:02,105 WARN L170 areAnnotationChecker]: L587-1 has no Hoare annotation [2020-07-28 18:59:02,105 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 18:59:02,105 WARN L170 areAnnotationChecker]: L90-6 has no Hoare annotation [2020-07-28 18:59:02,105 WARN L170 areAnnotationChecker]: L90-6 has no Hoare annotation [2020-07-28 18:59:02,105 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 18:59:02,105 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-28 18:59:02,105 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 18:59:02,106 WARN L170 areAnnotationChecker]: L183-4 has no Hoare annotation [2020-07-28 18:59:02,106 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 18:59:02,106 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 18:59:02,106 WARN L170 areAnnotationChecker]: L183-4 has no Hoare annotation [2020-07-28 18:59:02,106 WARN L170 areAnnotationChecker]: L183-4 has no Hoare annotation [2020-07-28 18:59:02,106 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 18:59:02,106 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 18:59:02,106 WARN L170 areAnnotationChecker]: L187-4 has no Hoare annotation [2020-07-28 18:59:02,107 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-28 18:59:02,107 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-28 18:59:02,107 WARN L170 areAnnotationChecker]: L187-4 has no Hoare annotation [2020-07-28 18:59:02,107 WARN L170 areAnnotationChecker]: L187-4 has no Hoare annotation [2020-07-28 18:59:02,107 WARN L170 areAnnotationChecker]: L188-4 has no Hoare annotation [2020-07-28 18:59:02,107 WARN L170 areAnnotationChecker]: L188-4 has no Hoare annotation [2020-07-28 18:59:02,107 WARN L170 areAnnotationChecker]: L860-2 has no Hoare annotation [2020-07-28 18:59:02,107 WARN L170 areAnnotationChecker]: L860-2 has no Hoare annotation [2020-07-28 18:59:02,107 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:02,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:02 BoogieIcfgContainer [2020-07-28 18:59:02,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:02,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:02,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:02,127 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:02,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:59" (3/4) ... [2020-07-28 18:59:02,131 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:02,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:02,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:02,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:02,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:02,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:02,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:02,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:02,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:59:02,241 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:02,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:02,245 INFO L168 Benchmark]: Toolchain (without parser) took 4877.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,245 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:02,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:02,246 INFO L168 Benchmark]: Boogie Preprocessor took 44.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,247 INFO L168 Benchmark]: RCFGBuilder took 1233.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,247 INFO L168 Benchmark]: TraceAbstraction took 2744.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 995.5 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:02,248 INFO L168 Benchmark]: Witness Printer took 115.50 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,250 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 0.16 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 637.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1233.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2744.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 995.5 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 115.50 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 == pumpRunning - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == pumpRunning - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 == pumpRunning - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 113 SDslu, 84 SDs, 0 SdLazy, 14 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 49 NumberOfFragments, 85 HoareAnnotationTreeSize, 26 FomulaSimplifications, 155 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...