./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product18.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_spec2_product18.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 19038d4a2c37771efda8321d3e888c138b34ccd1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:05:17,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:17,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:17,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:17,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:17,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:17,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:17,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:17,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:17,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:17,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:17,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:17,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:17,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:17,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:17,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:17,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:17,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:17,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:17,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:17,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:17,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:17,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:17,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:17,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:17,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:17,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:17,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:17,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:17,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:17,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:17,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:17,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:17,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:17,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:17,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:17,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:17,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:17,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:17,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:17,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:17,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:17,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:17,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:17,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:17,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:17,817 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:17,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:17,818 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:17,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:17,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:17,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:17,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:17,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:17,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:17,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:17,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:17,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:17,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:17,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:17,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:17,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:17,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:17,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:17,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:17,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:17,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:17,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:17,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:17,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:17,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:17,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19038d4a2c37771efda8321d3e888c138b34ccd1 [2020-10-25 23:05:18,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:18,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:18,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:18,337 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:18,338 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:18,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-10-25 23:05:18,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fa83cee/1144121ba4bb43dea195469e004ba87d/FLAG9ecd79d9c [2020-10-25 23:05:19,235 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:19,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-10-25 23:05:19,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fa83cee/1144121ba4bb43dea195469e004ba87d/FLAG9ecd79d9c [2020-10-25 23:05:19,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fa83cee/1144121ba4bb43dea195469e004ba87d [2020-10-25 23:05:19,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:19,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:19,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:19,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:19,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:19,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0127e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19, skipping insertion in model container [2020-10-25 23:05:19,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:19,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:19,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:20,012 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:20,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:20,203 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:20,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20 WrapperNode [2020-10-25 23:05:20,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:20,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:20,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:20,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:20,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:20,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:20,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:20,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:20,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (1/1) ... [2020-10-25 23:05:20,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:20,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:20,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:20,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:20,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (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 23:05:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:21,475 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:21,476 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-10-25 23:05:21,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21 BoogieIcfgContainer [2020-10-25 23:05:21,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:21,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:21,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:21,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:21,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:19" (1/3) ... [2020-10-25 23:05:21,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f562523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:21, skipping insertion in model container [2020-10-25 23:05:21,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:20" (2/3) ... [2020-10-25 23:05:21,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f562523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:21, skipping insertion in model container [2020-10-25 23:05:21,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21" (3/3) ... [2020-10-25 23:05:21,488 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2020-10-25 23:05:21,504 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:21,511 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:21,525 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:21,553 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:21,554 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:21,554 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:21,554 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:21,554 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:21,555 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:21,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:21,555 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:21,573 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-10-25 23:05:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:21,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:21,581 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1751825284, now seen corresponding path program 1 times [2020-10-25 23:05:21,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51855531] [2020-10-25 23:05:21,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,869 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 23:05:21,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51855531] [2020-10-25 23:05:21,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:21,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124889932] [2020-10-25 23:05:21,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:21,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:21,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:21,902 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-10-25 23:05:21,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,932 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-10-25 23:05:21,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:21,934 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:21,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,945 INFO L225 Difference]: With dead ends: 154 [2020-10-25 23:05:21,946 INFO L226 Difference]: Without dead ends: 75 [2020-10-25 23:05:21,949 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 23:05:21,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-25 23:05:21,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-25 23:05:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-25 23:05:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-10-25 23:05:22,000 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-10-25 23:05:22,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,000 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-10-25 23:05:22,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-10-25 23:05:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:22,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:22,003 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1532989315, now seen corresponding path program 1 times [2020-10-25 23:05:22,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516491987] [2020-10-25 23:05:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,180 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 23:05:22,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516491987] [2020-10-25 23:05:22,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:22,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209553207] [2020-10-25 23:05:22,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:22,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:22,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:22,188 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-10-25 23:05:22,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,230 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-10-25 23:05:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:22,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:22,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,234 INFO L225 Difference]: With dead ends: 75 [2020-10-25 23:05:22,235 INFO L226 Difference]: Without dead ends: 35 [2020-10-25 23:05:22,236 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 23:05:22,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-25 23:05:22,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-25 23:05:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-25 23:05:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-25 23:05:22,242 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-10-25 23:05:22,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,243 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-25 23:05:22,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-25 23:05:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:22,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,244 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] [2020-10-25 23:05:22,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:22,244 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,245 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2020-10-25 23:05:22,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21675849] [2020-10-25 23:05:22,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,385 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 23:05:22,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21675849] [2020-10-25 23:05:22,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:22,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202855929] [2020-10-25 23:05:22,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,388 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2020-10-25 23:05:22,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,439 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-10-25 23:05:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:22,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:05:22,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,441 INFO L225 Difference]: With dead ends: 63 [2020-10-25 23:05:22,441 INFO L226 Difference]: Without dead ends: 35 [2020-10-25 23:05:22,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 23:05:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-25 23:05:22,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-25 23:05:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-25 23:05:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-10-25 23:05:22,448 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-10-25 23:05:22,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,449 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-10-25 23:05:22,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-10-25 23:05:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:22,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:22,450 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2020-10-25 23:05:22,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723287060] [2020-10-25 23:05:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,545 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 23:05:22,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723287060] [2020-10-25 23:05:22,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105990515] [2020-10-25 23:05:22,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,548 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-10-25 23:05:22,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,659 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-10-25 23:05:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:22,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:22,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,662 INFO L225 Difference]: With dead ends: 154 [2020-10-25 23:05:22,662 INFO L226 Difference]: Without dead ends: 126 [2020-10-25 23:05:22,663 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 23:05:22,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-25 23:05:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-10-25 23:05:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-25 23:05:22,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-10-25 23:05:22,688 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-10-25 23:05:22,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,689 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-10-25 23:05:22,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-10-25 23:05:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:22,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:22,691 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,692 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2020-10-25 23:05:22,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260062923] [2020-10-25 23:05:22,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,777 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 23:05:22,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260062923] [2020-10-25 23:05:22,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338476887] [2020-10-25 23:05:22,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,780 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-10-25 23:05:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,849 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-10-25 23:05:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:22,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,851 INFO L225 Difference]: With dead ends: 150 [2020-10-25 23:05:22,851 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:22,852 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 23:05:22,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:22,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:22,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-25 23:05:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,853 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:22,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:22,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:22,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:22,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:23,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,166 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,166 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,166 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,167 INFO L274 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-10-25 23:05:23,167 INFO L274 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-10-25 23:05:23,168 INFO L270 CegarLoopResult]: At program point L236-1(lines 236 242) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,168 INFO L274 CegarLoopResult]: For program point L897(lines 897 907) no Hoare annotation was computed. [2020-10-25 23:05:23,168 INFO L274 CegarLoopResult]: For program point L897-2(lines 897 907) no Hoare annotation was computed. [2020-10-25 23:05:23,168 INFO L274 CegarLoopResult]: For program point L897-4(lines 897 907) no Hoare annotation was computed. [2020-10-25 23:05:23,169 INFO L274 CegarLoopResult]: For program point L898(lines 898 904) no Hoare annotation was computed. [2020-10-25 23:05:23,169 INFO L274 CegarLoopResult]: For program point L898-2(lines 898 904) no Hoare annotation was computed. [2020-10-25 23:05:23,169 INFO L274 CegarLoopResult]: For program point L898-4(lines 898 904) no Hoare annotation was computed. [2020-10-25 23:05:23,169 INFO L274 CegarLoopResult]: For program point L370(lines 370 377) no Hoare annotation was computed. [2020-10-25 23:05:23,171 INFO L270 CegarLoopResult]: At program point L882(lines 877 884) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,171 INFO L277 CegarLoopResult]: At program point L370-1(lines 370 377) the Hoare annotation is: true [2020-10-25 23:05:23,171 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,171 INFO L274 CegarLoopResult]: For program point L256(lines 256 269) no Hoare annotation was computed. [2020-10-25 23:05:23,171 INFO L270 CegarLoopResult]: At program point L504(lines 499 507) the Hoare annotation is: false [2020-10-25 23:05:23,171 INFO L270 CegarLoopResult]: At program point L504-1(lines 499 507) the Hoare annotation is: false [2020-10-25 23:05:23,171 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-10-25 23:05:23,171 INFO L270 CegarLoopResult]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2020-10-25 23:05:23,172 INFO L274 CegarLoopResult]: For program point L92(lines 92 109) no Hoare annotation was computed. [2020-10-25 23:05:23,172 INFO L274 CegarLoopResult]: For program point L92-1(lines 92 109) no Hoare annotation was computed. [2020-10-25 23:05:23,172 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 109) no Hoare annotation was computed. [2020-10-25 23:05:23,174 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,174 INFO L270 CegarLoopResult]: At program point L406(lines 1 922) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,175 INFO L270 CegarLoopResult]: At program point L274(lines 225 275) the Hoare annotation is: false [2020-10-25 23:05:23,175 INFO L270 CegarLoopResult]: At program point L60(lines 59 78) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,175 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 66) no Hoare annotation was computed. [2020-10-25 23:05:23,176 INFO L270 CegarLoopResult]: At program point L60-2(lines 59 78) the Hoare annotation is: false [2020-10-25 23:05:23,176 INFO L270 CegarLoopResult]: At program point L60-3(lines 59 78) the Hoare annotation is: false [2020-10-25 23:05:23,176 INFO L274 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-10-25 23:05:23,176 INFO L274 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2020-10-25 23:05:23,176 INFO L274 CegarLoopResult]: For program point L919-2(line 919) no Hoare annotation was computed. [2020-10-25 23:05:23,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,176 INFO L270 CegarLoopResult]: At program point L342(lines 338 344) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,177 INFO L274 CegarLoopResult]: For program point L227(lines 226 273) no Hoare annotation was computed. [2020-10-25 23:05:23,177 INFO L274 CegarLoopResult]: For program point L194(lines 194 198) no Hoare annotation was computed. [2020-10-25 23:05:23,177 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 198) no Hoare annotation was computed. [2020-10-25 23:05:23,177 INFO L274 CegarLoopResult]: For program point L194-3(lines 194 198) no Hoare annotation was computed. [2020-10-25 23:05:23,177 INFO L274 CegarLoopResult]: For program point L194-5(lines 194 198) no Hoare annotation was computed. [2020-10-25 23:05:23,177 INFO L274 CegarLoopResult]: For program point L194-6(lines 194 198) no Hoare annotation was computed. [2020-10-25 23:05:23,177 INFO L274 CegarLoopResult]: For program point L194-8(lines 194 198) no Hoare annotation was computed. [2020-10-25 23:05:23,178 INFO L270 CegarLoopResult]: At program point L145(lines 140 148) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,178 INFO L270 CegarLoopResult]: At program point L145-1(lines 140 148) the Hoare annotation is: false [2020-10-25 23:05:23,178 INFO L270 CegarLoopResult]: At program point L145-2(lines 140 148) the Hoare annotation is: false [2020-10-25 23:05:23,186 INFO L274 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-10-25 23:05:23,186 INFO L274 CegarLoopResult]: For program point L426-3(lines 426 430) no Hoare annotation was computed. [2020-10-25 23:05:23,187 INFO L274 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-10-25 23:05:23,188 INFO L274 CegarLoopResult]: For program point L426-6(lines 426 430) no Hoare annotation was computed. [2020-10-25 23:05:23,188 INFO L270 CegarLoopResult]: At program point L294-2(lines 294 308) the Hoare annotation is: false [2020-10-25 23:05:23,189 INFO L274 CegarLoopResult]: For program point L96(lines 96 104) no Hoare annotation was computed. [2020-10-25 23:05:23,189 INFO L274 CegarLoopResult]: For program point L96-1(lines 96 104) no Hoare annotation was computed. [2020-10-25 23:05:23,189 INFO L274 CegarLoopResult]: For program point L96-2(lines 96 104) no Hoare annotation was computed. [2020-10-25 23:05:23,189 INFO L274 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-10-25 23:05:23,189 INFO L274 CegarLoopResult]: For program point L246(lines 246 252) no Hoare annotation was computed. [2020-10-25 23:05:23,189 INFO L270 CegarLoopResult]: At program point L246-1(lines 246 252) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,189 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,190 INFO L277 CegarLoopResult]: At program point L379(lines 360 382) the Hoare annotation is: true [2020-10-25 23:05:23,190 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,190 INFO L274 CegarLoopResult]: For program point L264(lines 264 268) no Hoare annotation was computed. [2020-10-25 23:05:23,190 INFO L270 CegarLoopResult]: At program point L264-2(lines 60 66) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,190 INFO L270 CegarLoopResult]: At program point L463(lines 458 466) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,191 INFO L270 CegarLoopResult]: At program point L463-1(lines 458 466) the Hoare annotation is: false [2020-10-25 23:05:23,191 INFO L270 CegarLoopResult]: At program point L463-2(lines 458 466) the Hoare annotation is: false [2020-10-25 23:05:23,191 INFO L274 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-10-25 23:05:23,193 INFO L274 CegarLoopResult]: For program point L298-1(lines 60 66) no Hoare annotation was computed. [2020-10-25 23:05:23,194 INFO L270 CegarLoopResult]: At program point L67(lines 67 73) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,194 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: false [2020-10-25 23:05:23,194 INFO L270 CegarLoopResult]: At program point L67-2(lines 67 73) the Hoare annotation is: false [2020-10-25 23:05:23,194 INFO L270 CegarLoopResult]: At program point L414(lines 409 417) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,194 INFO L274 CegarLoopResult]: For program point L893(lines 893 910) no Hoare annotation was computed. [2020-10-25 23:05:23,195 INFO L270 CegarLoopResult]: At program point L893-1(lines 1 922) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,195 INFO L274 CegarLoopResult]: For program point L893-2(lines 893 910) no Hoare annotation was computed. [2020-10-25 23:05:23,195 INFO L270 CegarLoopResult]: At program point L893-3(lines 1 922) the Hoare annotation is: false [2020-10-25 23:05:23,195 INFO L274 CegarLoopResult]: For program point L893-4(lines 893 910) no Hoare annotation was computed. [2020-10-25 23:05:23,195 INFO L270 CegarLoopResult]: At program point L893-5(lines 1 922) the Hoare annotation is: false [2020-10-25 23:05:23,195 INFO L270 CegarLoopResult]: At program point L200(lines 185 203) the Hoare annotation is: false [2020-10-25 23:05:23,195 INFO L270 CegarLoopResult]: At program point L200-1(lines 185 203) the Hoare annotation is: false [2020-10-25 23:05:23,196 INFO L270 CegarLoopResult]: At program point L200-2(lines 185 203) the Hoare annotation is: false [2020-10-25 23:05:23,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:23 BoogieIcfgContainer [2020-10-25 23:05:23,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:23,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:23,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:23,249 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:23,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:21" (3/4) ... [2020-10-25 23:05:23,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:23,273 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:23,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:23,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:23,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:23,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:23,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:23,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:23,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:23,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,315 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,316 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,318 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,323 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,428 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:23,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:23,431 INFO L168 Benchmark]: Toolchain (without parser) took 3933.67 ms. Allocated memory was 37.7 MB in the beginning and 71.3 MB in the end (delta: 33.6 MB). Free memory was 22.8 MB in the beginning and 37.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,431 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 37.7 MB. Free memory was 22.3 MB in the beginning and 22.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:23,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.69 ms. Allocated memory was 37.7 MB in the beginning and 48.2 MB in the end (delta: 10.5 MB). Free memory was 22.2 MB in the beginning and 21.8 MB in the end (delta: 386.8 kB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.59 ms. Allocated memory is still 48.2 MB. Free memory was 21.6 MB in the beginning and 30.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,434 INFO L168 Benchmark]: Boogie Preprocessor took 44.86 ms. Allocated memory is still 48.2 MB. Free memory was 30.4 MB in the beginning and 28.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,435 INFO L168 Benchmark]: RCFGBuilder took 1138.34 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.3 MB in the beginning and 25.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,435 INFO L168 Benchmark]: TraceAbstraction took 1767.74 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 24.7 MB in the beginning and 44.5 MB in the end (delta: -19.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,436 INFO L168 Benchmark]: Witness Printer took 180.00 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 37.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 37.7 MB. Free memory was 22.3 MB in the beginning and 22.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 676.69 ms. Allocated memory was 37.7 MB in the beginning and 48.2 MB in the end (delta: 10.5 MB). Free memory was 22.2 MB in the beginning and 21.8 MB in the end (delta: 386.8 kB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.59 ms. Allocated memory is still 48.2 MB. Free memory was 21.6 MB in the beginning and 30.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.86 ms. Allocated memory is still 48.2 MB. Free memory was 30.4 MB in the beginning and 28.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1138.34 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.3 MB in the beginning and 25.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1767.74 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 24.7 MB in the beginning and 44.5 MB in the end (delta: -19.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Witness Printer took 180.00 ms. Allocated memory is still 71.3 MB. Free memory was 44.5 MB in the beginning and 37.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 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: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 326 SDtfs, 386 SDslu, 298 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 218 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1918 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...