./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product14.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 fcba36a5b2d5f8ed8569acfd585c94c35f71edae .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:41:20,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:20,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:20,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:20,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:20,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:20,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:20,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:20,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:20,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:20,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:20,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:20,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:20,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:20,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:20,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:20,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:20,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:20,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:20,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:20,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:20,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:20,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:20,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:20,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:20,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:20,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:20,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:20,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:20,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:20,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:20,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:20,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:20,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:20,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:20,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:20,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:20,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:20,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:20,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:20,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:20,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:20,617 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:20,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:20,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:20,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:20,619 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:20,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:20,620 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:20,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:20,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:20,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:20,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:20,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:20,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:20,623 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:20,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:20,623 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:20,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:20,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:20,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:20,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:20,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:20,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:20,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:20,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:20,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:20,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:20,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:20,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:20,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:20,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(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 -> fcba36a5b2d5f8ed8569acfd585c94c35f71edae [2020-10-20 01:41:20,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:20,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:20,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:20,858 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:20,859 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:20,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2020-10-20 01:41:20,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c51bea5/a5ac6ea84e114d1380fe11e8001c269a/FLAGed5dbed50 [2020-10-20 01:41:21,479 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:21,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2020-10-20 01:41:21,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c51bea5/a5ac6ea84e114d1380fe11e8001c269a/FLAGed5dbed50 [2020-10-20 01:41:21,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c51bea5/a5ac6ea84e114d1380fe11e8001c269a [2020-10-20 01:41:21,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:21,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:21,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:21,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:21,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:21,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:21" (1/1) ... [2020-10-20 01:41:21,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168a0201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:21, skipping insertion in model container [2020-10-20 01:41:21,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:21" (1/1) ... [2020-10-20 01:41:21,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:21,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:22,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:22,356 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:22,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:22,492 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:22,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22 WrapperNode [2020-10-20 01:41:22,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:22,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:22,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:22,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:22,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:22,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:22,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:22,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:22,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (1/1) ... [2020-10-20 01:41:22,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:22,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:22,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:22,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:22,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (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 [2020-10-20 01:41:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:23,587 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:23,587 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-10-20 01:41:23,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:23 BoogieIcfgContainer [2020-10-20 01:41:23,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:23,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:23,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:23,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:23,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:21" (1/3) ... [2020-10-20 01:41:23,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3c29d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:23, skipping insertion in model container [2020-10-20 01:41:23,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:22" (2/3) ... [2020-10-20 01:41:23,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3c29d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:23, skipping insertion in model container [2020-10-20 01:41:23,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:23" (3/3) ... [2020-10-20 01:41:23,605 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2020-10-20 01:41:23,618 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:23,626 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:23,636 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:23,664 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:23,665 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:23,665 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:23,665 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:23,665 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:23,665 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:23,665 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:23,666 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:23,683 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-10-20 01:41:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:23,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:23,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:23,692 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:23,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:23,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1934504515, now seen corresponding path program 1 times [2020-10-20 01:41:23,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:23,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970087072] [2020-10-20 01:41:23,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:24,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:24,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970087072] [2020-10-20 01:41:24,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:24,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:24,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593402340] [2020-10-20 01:41:24,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:24,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:24,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:24,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:24,036 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-10-20 01:41:24,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:24,063 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-10-20 01:41:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:24,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:24,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:24,076 INFO L225 Difference]: With dead ends: 135 [2020-10-20 01:41:24,076 INFO L226 Difference]: Without dead ends: 65 [2020-10-20 01:41:24,080 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 [2020-10-20 01:41:24,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-20 01:41:24,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-20 01:41:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 01:41:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-10-20 01:41:24,120 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-10-20 01:41:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:24,120 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-10-20 01:41:24,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-10-20 01:41:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:24,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:24,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:24,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:24,122 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:24,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:24,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1313705884, now seen corresponding path program 1 times [2020-10-20 01:41:24,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:24,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234607709] [2020-10-20 01:41:24,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:24,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234607709] [2020-10-20 01:41:24,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:24,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:24,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521653216] [2020-10-20 01:41:24,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:24,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:24,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:24,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:24,262 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-10-20 01:41:24,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:24,276 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-10-20 01:41:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:24,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:24,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:24,278 INFO L225 Difference]: With dead ends: 65 [2020-10-20 01:41:24,279 INFO L226 Difference]: Without dead ends: 31 [2020-10-20 01:41:24,280 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 [2020-10-20 01:41:24,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-20 01:41:24,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-20 01:41:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-20 01:41:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-10-20 01:41:24,285 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-10-20 01:41:24,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:24,286 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-10-20 01:41:24,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-10-20 01:41:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:24,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:24,288 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] [2020-10-20 01:41:24,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:24,288 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:24,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:24,289 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-10-20 01:41:24,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:24,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510618918] [2020-10-20 01:41:24,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:24,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510618918] [2020-10-20 01:41:24,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:24,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:41:24,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472373479] [2020-10-20 01:41:24,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:24,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:24,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:24,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:24,428 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-10-20 01:41:24,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:24,480 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-10-20 01:41:24,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:24,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-20 01:41:24,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:24,483 INFO L225 Difference]: With dead ends: 56 [2020-10-20 01:41:24,483 INFO L226 Difference]: Without dead ends: 31 [2020-10-20 01:41:24,484 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 [2020-10-20 01:41:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-20 01:41:24,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-20 01:41:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-20 01:41:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-10-20 01:41:24,490 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-10-20 01:41:24,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:24,504 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-10-20 01:41:24,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-10-20 01:41:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:41:24,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:24,507 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] [2020-10-20 01:41:24,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:24,507 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:24,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:24,508 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-10-20 01:41:24,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:24,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161202697] [2020-10-20 01:41:24,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:24,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161202697] [2020-10-20 01:41:24,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:24,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:24,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752761728] [2020-10-20 01:41:24,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:24,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:24,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:24,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:24,654 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-10-20 01:41:24,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:24,764 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-10-20 01:41:24,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:24,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 01:41:24,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:24,767 INFO L225 Difference]: With dead ends: 132 [2020-10-20 01:41:24,780 INFO L226 Difference]: Without dead ends: 107 [2020-10-20 01:41:24,781 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 [2020-10-20 01:41:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-20 01:41:24,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-10-20 01:41:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-20 01:41:24,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-10-20 01:41:24,792 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-10-20 01:41:24,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:24,793 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-10-20 01:41:24,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-10-20 01:41:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:24,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:24,794 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] [2020-10-20 01:41:24,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:24,795 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:24,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:24,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2020-10-20 01:41:24,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:24,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247455538] [2020-10-20 01:41:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:24,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247455538] [2020-10-20 01:41:24,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:24,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:24,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952119675] [2020-10-20 01:41:24,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:24,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:24,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:24,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:24,876 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-10-20 01:41:24,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:24,938 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-10-20 01:41:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:24,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:41:24,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:24,939 INFO L225 Difference]: With dead ends: 144 [2020-10-20 01:41:24,939 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:24,940 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 [2020-10-20 01:41:24,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:24,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:24,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:24,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 01:41:24,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:24,942 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:24,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:24,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:24,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:24,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:24,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:25,236 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:25,237 INFO L270 CegarLoopResult]: At program point L812(lines 807 815) 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)) [2020-10-20 01:41:25,237 INFO L270 CegarLoopResult]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2020-10-20 01:41:25,237 INFO L274 CegarLoopResult]: For program point L746(lines 746 754) no Hoare annotation was computed. [2020-10-20 01:41:25,237 INFO L270 CegarLoopResult]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2020-10-20 01:41:25,238 INFO L274 CegarLoopResult]: For program point L746-1(lines 746 754) no Hoare annotation was computed. [2020-10-20 01:41:25,238 INFO L274 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-10-20 01:41:25,238 INFO L274 CegarLoopResult]: For program point L746-2(lines 746 754) no Hoare annotation was computed. [2020-10-20 01:41:25,238 INFO L270 CegarLoopResult]: At program point L680-2(lines 710 716) 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)) [2020-10-20 01:41:25,238 INFO L274 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-10-20 01:41:25,238 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:25,239 INFO L274 CegarLoopResult]: For program point L548-1(lines 710 716) no Hoare annotation was computed. [2020-10-20 01:41:25,239 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:25,239 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:25,240 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:25,240 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-10-20 01:41:25,240 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-10-20 01:41:25,241 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-10-20 01:41:25,241 INFO L274 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-10-20 01:41:25,241 INFO L277 CegarLoopResult]: At program point L617-1(lines 617 624) the Hoare annotation is: true [2020-10-20 01:41:25,241 INFO L270 CegarLoopResult]: At program point L717(lines 717 723) 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)) [2020-10-20 01:41:25,242 INFO L270 CegarLoopResult]: At program point L717-1(lines 717 723) the Hoare annotation is: false [2020-10-20 01:41:25,242 INFO L270 CegarLoopResult]: At program point L717-2(lines 717 723) the Hoare annotation is: false [2020-10-20 01:41:25,242 INFO L270 CegarLoopResult]: At program point L519(lines 1 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:41:25,242 INFO L274 CegarLoopResult]: For program point L652(lines 652 658) no Hoare annotation was computed. [2020-10-20 01:41:25,243 INFO L270 CegarLoopResult]: At program point L652-1(lines 652 658) 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)) [2020-10-20 01:41:25,243 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:25,243 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-10-20 01:41:25,243 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) 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)) [2020-10-20 01:41:25,244 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-10-20 01:41:25,244 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-10-20 01:41:25,244 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-10-20 01:41:25,244 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-10-20 01:41:25,245 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:25,245 INFO L270 CegarLoopResult]: At program point L803(lines 796 806) the Hoare annotation is: false [2020-10-20 01:41:25,245 INFO L270 CegarLoopResult]: At program point L803-1(lines 796 806) the Hoare annotation is: false [2020-10-20 01:41:25,245 INFO L270 CegarLoopResult]: At program point L803-2(lines 796 806) the Hoare annotation is: false [2020-10-20 01:41:25,245 INFO L274 CegarLoopResult]: For program point L870(lines 870 883) no Hoare annotation was computed. [2020-10-20 01:41:25,246 INFO L270 CegarLoopResult]: At program point L870-1(lines 1 895) 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)) [2020-10-20 01:41:25,246 INFO L274 CegarLoopResult]: For program point L870-2(lines 870 883) no Hoare annotation was computed. [2020-10-20 01:41:25,246 INFO L270 CegarLoopResult]: At program point L870-3(lines 1 895) the Hoare annotation is: false [2020-10-20 01:41:25,246 INFO L274 CegarLoopResult]: For program point L870-4(lines 870 883) no Hoare annotation was computed. [2020-10-20 01:41:25,247 INFO L270 CegarLoopResult]: At program point L870-5(lines 1 895) the Hoare annotation is: false [2020-10-20 01:41:25,247 INFO L274 CegarLoopResult]: For program point L672(lines 672 685) no Hoare annotation was computed. [2020-10-20 01:41:25,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:25,247 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-10-20 01:41:25,248 INFO L270 CegarLoopResult]: At program point L690(lines 641 691) the Hoare annotation is: false [2020-10-20 01:41:25,248 INFO L277 CegarLoopResult]: At program point L626(lines 607 629) the Hoare annotation is: true [2020-10-20 01:41:25,248 INFO L270 CegarLoopResult]: At program point L593(lines 589 595) 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)) [2020-10-20 01:41:25,249 INFO L270 CegarLoopResult]: At program point L527(lines 522 530) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:25,249 INFO L274 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-10-20 01:41:25,249 INFO L274 CegarLoopResult]: For program point L874-2(lines 874 880) no Hoare annotation was computed. [2020-10-20 01:41:25,249 INFO L274 CegarLoopResult]: For program point L742(lines 742 759) no Hoare annotation was computed. [2020-10-20 01:41:25,249 INFO L274 CegarLoopResult]: For program point L874-4(lines 874 880) no Hoare annotation was computed. [2020-10-20 01:41:25,250 INFO L274 CegarLoopResult]: For program point L742-1(lines 742 759) no Hoare annotation was computed. [2020-10-20 01:41:25,250 INFO L274 CegarLoopResult]: For program point L742-2(lines 742 759) no Hoare annotation was computed. [2020-10-20 01:41:25,250 INFO L274 CegarLoopResult]: For program point L643(lines 642 689) no Hoare annotation was computed. [2020-10-20 01:41:25,250 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:25,250 INFO L270 CegarLoopResult]: At program point L544-2(lines 544 558) the Hoare annotation is: false [2020-10-20 01:41:25,251 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:25,251 INFO L270 CegarLoopResult]: At program point L710(lines 709 728) 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)) [2020-10-20 01:41:25,251 INFO L274 CegarLoopResult]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2020-10-20 01:41:25,251 INFO L274 CegarLoopResult]: For program point L644(lines 644 648) no Hoare annotation was computed. [2020-10-20 01:41:25,252 INFO L270 CegarLoopResult]: At program point L710-2(lines 709 728) the Hoare annotation is: false [2020-10-20 01:41:25,252 INFO L270 CegarLoopResult]: At program point L710-3(lines 709 728) the Hoare annotation is: false [2020-10-20 01:41:25,252 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-10-20 01:41:25,252 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-20 01:41:25,253 INFO L274 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-10-20 01:41:25,253 INFO L274 CegarLoopResult]: For program point L892-1(line 892) no Hoare annotation was computed. [2020-10-20 01:41:25,253 INFO L274 CegarLoopResult]: For program point L892-2(line 892) no Hoare annotation was computed. [2020-10-20 01:41:25,253 INFO L274 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-10-20 01:41:25,254 INFO L270 CegarLoopResult]: At program point L662-1(lines 662 668) 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)) [2020-10-20 01:41:25,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:25 BoogieIcfgContainer [2020-10-20 01:41:25,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:25,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:25,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:25,302 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:25,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:23" (3/4) ... [2020-10-20 01:41:25,315 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:25,344 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:25,346 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:25,346 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:25,347 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:25,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:25,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:25,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:25,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:41:25,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:41:25,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:25,390 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:25,391 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:25,393 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:25,394 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:25,394 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:25,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:25,397 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:25,487 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:25,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:25,490 INFO L168 Benchmark]: Toolchain (without parser) took 3660.68 ms. Allocated memory was 34.6 MB in the beginning and 57.1 MB in the end (delta: 22.5 MB). Free memory was 15.3 MB in the beginning and 17.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:25,491 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 33.6 MB. Free memory was 10.8 MB in the beginning and 10.8 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:25,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.68 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 14.3 MB in the beginning and 25.9 MB in the end (delta: -11.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:25,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.11 ms. Allocated memory is still 44.0 MB. Free memory was 25.9 MB in the beginning and 22.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:25,493 INFO L168 Benchmark]: Boogie Preprocessor took 69.71 ms. Allocated memory is still 44.0 MB. Free memory was 22.7 MB in the beginning and 20.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:25,493 INFO L168 Benchmark]: RCFGBuilder took 957.09 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 20.3 MB in the beginning and 21.2 MB in the end (delta: -882.1 kB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:25,494 INFO L168 Benchmark]: TraceAbstraction took 1710.45 ms. Allocated memory was 47.2 MB in the beginning and 57.1 MB in the end (delta: 10.0 MB). Free memory was 20.5 MB in the beginning and 26.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:25,494 INFO L168 Benchmark]: Witness Printer took 185.53 ms. Allocated memory is still 57.1 MB. Free memory was 26.0 MB in the beginning and 17.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:25,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 33.6 MB. Free memory was 10.8 MB in the beginning and 10.8 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 658.68 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 14.3 MB in the beginning and 25.9 MB in the end (delta: -11.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 68.11 ms. Allocated memory is still 44.0 MB. Free memory was 25.9 MB in the beginning and 22.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 69.71 ms. Allocated memory is still 44.0 MB. Free memory was 22.7 MB in the beginning and 20.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 957.09 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 20.3 MB in the beginning and 21.2 MB in the end (delta: -882.1 kB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1710.45 ms. Allocated memory was 47.2 MB in the beginning and 57.1 MB in the end (delta: 10.0 MB). Free memory was 20.5 MB in the beginning and 26.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 14.3 GB. * Witness Printer took 185.53 ms. Allocated memory is still 57.1 MB. Free memory was 26.0 MB in the beginning and 17.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 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: 86]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 353 SDslu, 237 SDs, 0 SdLazy, 56 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=72occurred 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1978 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...