./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c57429e002f9d5550c9a9653029ab3d1b9a653f9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:03:41,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:41,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:41,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:41,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:41,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:41,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:41,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:41,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:41,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:41,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:41,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:41,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:41,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:41,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:41,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:41,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:41,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:41,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:41,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:41,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:41,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:41,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:41,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:41,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:41,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:41,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:41,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:41,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:41,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:41,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:41,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:41,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:41,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:41,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:41,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:41,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:41,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:41,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:41,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:41,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:41,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:03:41,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:03:41,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:03:41,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:03:41,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:03:41,911 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:03:41,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:03:41,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:03:41,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:03:41,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:03:41,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:03:41,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:03:41,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:03:41,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:03:41,913 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:03:41,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:03:41,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:03:41,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:03:41,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:03:41,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:03:41,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:03:41,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:03:41,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:03:41,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:03:41,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:03:41,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:03:41,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:03:41,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:03:41,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:03:41,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:03:41,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c57429e002f9d5550c9a9653029ab3d1b9a653f9 [2020-10-25 23:03:42,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:03:42,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:03:42,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:03:42,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:03:42,392 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:03:42,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2020-10-25 23:03:42,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bbc3c26/550df8ccea4341ea9cc6477967e950dc/FLAGf6900f77c [2020-10-25 23:03:43,248 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:03:43,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2020-10-25 23:03:43,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bbc3c26/550df8ccea4341ea9cc6477967e950dc/FLAGf6900f77c [2020-10-25 23:03:43,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6bbc3c26/550df8ccea4341ea9cc6477967e950dc [2020-10-25 23:03:43,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:03:43,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:03:43,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:43,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:03:43,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:03:43,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:43" (1/1) ... [2020-10-25 23:03:43,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab4890d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:43, skipping insertion in model container [2020-10-25 23:03:43,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:43" (1/1) ... [2020-10-25 23:03:43,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:03:43,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:03:44,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:44,061 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:03:44,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:44,241 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:03:44,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44 WrapperNode [2020-10-25 23:03:44,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:44,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:44,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:03:44,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:03:44,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:44,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:03:44,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:03:44,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:03:44,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:03:44,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:03:44,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:03:44,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:03:44,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (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 [2020-10-25 23:03:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:03:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:03:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:03:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:03:45,476 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:03:45,477 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-10-25 23:03:45,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:45 BoogieIcfgContainer [2020-10-25 23:03:45,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:03:45,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:03:45,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:03:45,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:03:45,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:03:43" (1/3) ... [2020-10-25 23:03:45,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e09749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:45, skipping insertion in model container [2020-10-25 23:03:45,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (2/3) ... [2020-10-25 23:03:45,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e09749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:45, skipping insertion in model container [2020-10-25 23:03:45,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:45" (3/3) ... [2020-10-25 23:03:45,490 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2020-10-25 23:03:45,503 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:03:45,509 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:03:45,523 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:03:45,553 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:03:45,553 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:03:45,553 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:03:45,554 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:03:45,554 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:03:45,554 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:03:45,554 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:03:45,555 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:03:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-25 23:03:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:03:45,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:45,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:45,582 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:45,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:45,589 INFO L82 PathProgramCache]: Analyzing trace with hash 436617332, now seen corresponding path program 1 times [2020-10-25 23:03:45,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:45,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062225455] [2020-10-25 23:03:45,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:45,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062225455] [2020-10-25 23:03:45,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:45,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:03:45,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437913419] [2020-10-25 23:03:45,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:03:45,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:45,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:03:45,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:03:45,936 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-10-25 23:03:45,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:45,964 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-10-25 23:03:45,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:03:45,966 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:03:45,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:45,976 INFO L225 Difference]: With dead ends: 111 [2020-10-25 23:03:45,976 INFO L226 Difference]: Without dead ends: 53 [2020-10-25 23:03:45,980 INFO L677 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 [2020-10-25 23:03:46,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-25 23:03:46,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-25 23:03:46,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-25 23:03:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-10-25 23:03:46,022 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-10-25 23:03:46,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:46,022 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-10-25 23:03:46,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:03:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-10-25 23:03:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:03:46,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:46,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:46,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:03:46,024 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:46,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:46,026 INFO L82 PathProgramCache]: Analyzing trace with hash -610139565, now seen corresponding path program 1 times [2020-10-25 23:03:46,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:46,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773225109] [2020-10-25 23:03:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:46,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773225109] [2020-10-25 23:03:46,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:46,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:03:46,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464613327] [2020-10-25 23:03:46,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:03:46,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:46,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:03:46,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:03:46,161 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-10-25 23:03:46,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:46,172 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-10-25 23:03:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:03:46,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:03:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:46,174 INFO L225 Difference]: With dead ends: 53 [2020-10-25 23:03:46,174 INFO L226 Difference]: Without dead ends: 27 [2020-10-25 23:03:46,175 INFO L677 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 [2020-10-25 23:03:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-25 23:03:46,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-25 23:03:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-25 23:03:46,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-10-25 23:03:46,183 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-10-25 23:03:46,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:46,183 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-10-25 23:03:46,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:03:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-10-25 23:03:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:46,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:46,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:46,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:03:46,185 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:46,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:46,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-10-25 23:03:46,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:46,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648715228] [2020-10-25 23:03:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:46,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648715228] [2020-10-25 23:03:46,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:46,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:46,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893704750] [2020-10-25 23:03:46,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:46,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:46,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:46,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:46,317 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-10-25 23:03:46,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:46,433 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-10-25 23:03:46,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:03:46,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:03:46,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:46,436 INFO L225 Difference]: With dead ends: 109 [2020-10-25 23:03:46,436 INFO L226 Difference]: Without dead ends: 88 [2020-10-25 23:03:46,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:03:46,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-25 23:03:46,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-10-25 23:03:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-25 23:03:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-10-25 23:03:46,454 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-10-25 23:03:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:46,455 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-10-25 23:03:46,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-10-25 23:03:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:03:46,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:46,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:46,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:03:46,463 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:46,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:46,464 INFO L82 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2020-10-25 23:03:46,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:46,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104236693] [2020-10-25 23:03:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:03:46,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104236693] [2020-10-25 23:03:46,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:46,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:46,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487746704] [2020-10-25 23:03:46,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:46,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:46,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:46,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:46,648 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-10-25 23:03:46,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:46,707 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-10-25 23:03:46,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:46,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:03:46,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:46,709 INFO L225 Difference]: With dead ends: 130 [2020-10-25 23:03:46,709 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:03:46,710 INFO L677 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 [2020-10-25 23:03:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:03:46,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:03:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:03:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:03:46,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-25 23:03:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:46,712 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:03:46,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:03:46,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:03:46,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:03:46,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:03:46,932 INFO L274 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-10-25 23:03:46,933 INFO L274 CegarLoopResult]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2020-10-25 23:03:46,933 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:46,933 INFO L274 CegarLoopResult]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2020-10-25 23:03:46,934 INFO L270 CegarLoopResult]: At program point L168(lines 168 174) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:46,934 INFO L270 CegarLoopResult]: At program point L168-1(lines 168 174) the Hoare annotation is: false [2020-10-25 23:03:46,934 INFO L270 CegarLoopResult]: At program point L168-2(lines 168 174) the Hoare annotation is: false [2020-10-25 23:03:46,935 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:03:46,935 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:03:46,935 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:03:46,935 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:03:46,935 INFO L274 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-10-25 23:03:46,935 INFO L270 CegarLoopResult]: At program point L317-2(lines 161 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:46,936 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-25 23:03:46,936 INFO L274 CegarLoopResult]: For program point L483-1(line 483) no Hoare annotation was computed. [2020-10-25 23:03:46,937 INFO L274 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2020-10-25 23:03:46,937 INFO L274 CegarLoopResult]: For program point L483-2(line 483) no Hoare annotation was computed. [2020-10-25 23:03:46,937 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-25 23:03:46,937 INFO L270 CegarLoopResult]: At program point L385(lines 1 852) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:46,938 INFO L270 CegarLoopResult]: At program point L220(lines 215 223) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:46,938 INFO L270 CegarLoopResult]: At program point L220-1(lines 215 223) the Hoare annotation is: false [2020-10-25 23:03:46,938 INFO L270 CegarLoopResult]: At program point L220-2(lines 215 223) the Hoare annotation is: false [2020-10-25 23:03:46,938 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-25 23:03:46,938 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:46,938 INFO L274 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2020-10-25 23:03:46,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:03:46,939 INFO L270 CegarLoopResult]: At program point L289-1(lines 289 295) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:46,939 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-25 23:03:46,939 INFO L274 CegarLoopResult]: For program point L58-1(lines 161 167) no Hoare annotation was computed. [2020-10-25 23:03:46,939 INFO L274 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-10-25 23:03:46,939 INFO L274 CegarLoopResult]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2020-10-25 23:03:46,939 INFO L274 CegarLoopResult]: For program point L405-6(lines 405 409) no Hoare annotation was computed. [2020-10-25 23:03:46,940 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-25 23:03:46,941 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:46,941 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:03:46,941 INFO L274 CegarLoopResult]: For program point L309(lines 309 322) no Hoare annotation was computed. [2020-10-25 23:03:46,941 INFO L270 CegarLoopResult]: At program point L161(lines 160 179) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:46,941 INFO L274 CegarLoopResult]: For program point L161-1(lines 161 167) no Hoare annotation was computed. [2020-10-25 23:03:46,942 INFO L270 CegarLoopResult]: At program point L161-2(lines 160 179) the Hoare annotation is: false [2020-10-25 23:03:46,942 INFO L270 CegarLoopResult]: At program point L161-3(lines 160 179) the Hoare annotation is: false [2020-10-25 23:03:46,942 INFO L270 CegarLoopResult]: At program point L442(lines 437 445) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:46,942 INFO L270 CegarLoopResult]: At program point L442-1(lines 437 445) the Hoare annotation is: false [2020-10-25 23:03:46,942 INFO L270 CegarLoopResult]: At program point L442-2(lines 437 445) the Hoare annotation is: false [2020-10-25 23:03:46,943 INFO L270 CegarLoopResult]: At program point L393(lines 388 396) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:46,943 INFO L270 CegarLoopResult]: At program point L327(lines 278 328) the Hoare annotation is: false [2020-10-25 23:03:46,943 INFO L274 CegarLoopResult]: For program point L345(lines 345 358) no Hoare annotation was computed. [2020-10-25 23:03:46,943 INFO L270 CegarLoopResult]: At program point L345-1(lines 1 852) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:46,943 INFO L274 CegarLoopResult]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2020-10-25 23:03:46,944 INFO L270 CegarLoopResult]: At program point L345-3(lines 1 852) the Hoare annotation is: false [2020-10-25 23:03:46,944 INFO L274 CegarLoopResult]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2020-10-25 23:03:46,944 INFO L270 CegarLoopResult]: At program point L345-5(lines 1 852) the Hoare annotation is: false [2020-10-25 23:03:46,945 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:03:46,946 INFO L274 CegarLoopResult]: For program point L280(lines 279 326) no Hoare annotation was computed. [2020-10-25 23:03:46,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:46,946 INFO L274 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-10-25 23:03:46,947 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-25 23:03:46,948 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-25 23:03:46,948 INFO L274 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-10-25 23:03:46,948 INFO L274 CegarLoopResult]: For program point L299(lines 299 305) no Hoare annotation was computed. [2020-10-25 23:03:46,948 INFO L270 CegarLoopResult]: At program point L299-1(lines 299 305) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:46,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:03:46 BoogieIcfgContainer [2020-10-25 23:03:46,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:03:46,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:03:46,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:03:46,984 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:03:46,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:45" (3/4) ... [2020-10-25 23:03:46,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:03:47,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:03:47,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:03:47,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:03:47,026 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:03:47,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:03:47,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:47,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:47,076 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:47,151 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:03:47,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:03:47,155 INFO L168 Benchmark]: Toolchain (without parser) took 3598.98 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 32.2 MB in the beginning and 17.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:47,156 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 39.8 MB. Free memory was 25.1 MB in the beginning and 25.1 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:03:47,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.12 ms. Allocated memory is still 48.2 MB. Free memory was 31.7 MB in the beginning and 23.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:47,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.86 ms. Allocated memory is still 48.2 MB. Free memory was 23.2 MB in the beginning and 20.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:47,157 INFO L168 Benchmark]: Boogie Preprocessor took 38.52 ms. Allocated memory is still 48.2 MB. Free memory was 20.6 MB in the beginning and 18.7 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:03:47,158 INFO L168 Benchmark]: RCFGBuilder took 1127.04 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 18.7 MB in the beginning and 35.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:47,159 INFO L168 Benchmark]: TraceAbstraction took 1501.92 ms. Allocated memory is still 58.7 MB. Free memory was 35.4 MB in the beginning and 22.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:47,159 INFO L168 Benchmark]: Witness Printer took 167.51 ms. Allocated memory is still 58.7 MB. Free memory was 22.5 MB in the beginning and 17.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:47,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 39.8 MB. Free memory was 25.1 MB in the beginning and 25.1 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 673.12 ms. Allocated memory is still 48.2 MB. Free memory was 31.7 MB in the beginning and 23.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.86 ms. Allocated memory is still 48.2 MB. Free memory was 23.2 MB in the beginning and 20.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.52 ms. Allocated memory is still 48.2 MB. Free memory was 20.6 MB in the beginning and 18.7 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1127.04 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 18.7 MB in the beginning and 35.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1501.92 ms. Allocated memory is still 58.7 MB. Free memory was 35.4 MB in the beginning and 22.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * Witness Printer took 167.51 ms. Allocated memory is still 58.7 MB. Free memory was 22.5 MB in the beginning and 17.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...