./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 229890f5f6e9af6d15d776f98b90421cce07d395 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:31:15,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:31:15,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:31:15,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:31:15,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:31:15,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:31:15,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:31:15,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:31:15,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:31:15,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:31:15,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:31:15,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:31:15,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:31:15,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:31:15,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:31:15,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:31:15,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:31:15,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:31:15,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:31:15,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:31:15,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:31:15,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:31:15,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:31:15,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:31:15,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:31:15,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:31:15,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:31:15,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:31:15,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:31:15,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:31:15,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:31:15,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:31:15,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:31:15,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:31:15,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:31:15,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:31:15,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:31:15,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:31:15,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:31:15,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:31:15,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:31:15,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:31:15,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:31:15,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:31:15,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:31:15,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:31:15,336 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:31:15,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:31:15,336 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:31:15,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:31:15,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:31:15,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:31:15,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:31:15,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:31:15,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:31:15,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:31:15,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:31:15,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:31:15,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:31:15,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:31:15,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:31:15,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:31:15,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:31:15,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:31:15,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:31:15,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:31:15,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:31:15,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:31:15,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:31:15,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:31:15,345 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2019-11-20 02:31:15,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:31:15,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:31:15,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:31:15,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:31:15,491 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:31:15,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2019-11-20 02:31:15,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/data/07596a1b6/86da9bda71f74f89a51f0879b06947d4/FLAGb7c7f455c [2019-11-20 02:31:15,964 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:31:15,966 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2019-11-20 02:31:15,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/data/07596a1b6/86da9bda71f74f89a51f0879b06947d4/FLAGb7c7f455c [2019-11-20 02:31:16,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/data/07596a1b6/86da9bda71f74f89a51f0879b06947d4 [2019-11-20 02:31:16,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:31:16,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:31:16,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:31:16,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:31:16,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:31:16,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261d23b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16, skipping insertion in model container [2019-11-20 02:31:16,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,280 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:31:16,325 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:31:16,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:31:16,638 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:31:16,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:31:16,746 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:31:16,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16 WrapperNode [2019-11-20 02:31:16,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:31:16,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:31:16,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:31:16,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:31:16,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:31:16,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:31:16,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:31:16,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:31:16,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... [2019-11-20 02:31:16,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:31:16,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:31:16,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:31:16,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:31:16,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/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 [2019-11-20 02:31:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:31:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:31:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:31:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:31:17,529 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:31:17,529 INFO L285 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-20 02:31:17,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:31:17 BoogieIcfgContainer [2019-11-20 02:31:17,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:31:17,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:31:17,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:31:17,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:31:17,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:31:16" (1/3) ... [2019-11-20 02:31:17,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7926f60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:31:17, skipping insertion in model container [2019-11-20 02:31:17,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:31:16" (2/3) ... [2019-11-20 02:31:17,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7926f60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:31:17, skipping insertion in model container [2019-11-20 02:31:17,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:31:17" (3/3) ... [2019-11-20 02:31:17,540 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2019-11-20 02:31:17,549 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:31:17,557 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 02:31:17,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 02:31:17,588 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:31:17,589 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:31:17,589 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:31:17,589 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:31:17,589 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:31:17,589 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:31:17,589 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:31:17,590 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:31:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-11-20 02:31:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 02:31:17,612 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:31:17,612 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:31:17,613 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:31:17,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:31:17,619 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-11-20 02:31:17,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:31:17,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007766185] [2019-11-20 02:31:17,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:31:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:31:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:31:17,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007766185] [2019-11-20 02:31:17,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:31:17,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:31:17,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524725827] [2019-11-20 02:31:17,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:31:17,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:31:17,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:31:17,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:31:17,856 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-11-20 02:31:17,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:31:17,877 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-11-20 02:31:17,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:31:17,879 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 02:31:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:31:17,889 INFO L225 Difference]: With dead ends: 132 [2019-11-20 02:31:17,889 INFO L226 Difference]: Without dead ends: 65 [2019-11-20 02:31:17,892 INFO L630 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 [2019-11-20 02:31:17,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-20 02:31:17,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-20 02:31:17,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-20 02:31:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-20 02:31:17,928 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-11-20 02:31:17,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:31:17,928 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-20 02:31:17,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:31:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-11-20 02:31:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 02:31:17,930 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:31:17,930 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:31:17,930 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:31:17,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:31:17,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-11-20 02:31:17,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:31:17,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591501138] [2019-11-20 02:31:17,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:31:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:31:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:31:18,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591501138] [2019-11-20 02:31:18,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:31:18,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:31:18,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27168314] [2019-11-20 02:31:18,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:31:18,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:31:18,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:31:18,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:31:18,017 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-11-20 02:31:18,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:31:18,028 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-11-20 02:31:18,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:31:18,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 02:31:18,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:31:18,030 INFO L225 Difference]: With dead ends: 65 [2019-11-20 02:31:18,030 INFO L226 Difference]: Without dead ends: 31 [2019-11-20 02:31:18,031 INFO L630 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 [2019-11-20 02:31:18,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-20 02:31:18,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-20 02:31:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-20 02:31:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-11-20 02:31:18,036 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-11-20 02:31:18,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:31:18,037 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-11-20 02:31:18,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:31:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-11-20 02:31:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 02:31:18,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:31:18,038 INFO L410 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] [2019-11-20 02:31:18,038 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:31:18,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:31:18,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-11-20 02:31:18,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:31:18,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248687719] [2019-11-20 02:31:18,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:31:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:31:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:31:18,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248687719] [2019-11-20 02:31:18,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:31:18,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:31:18,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365859446] [2019-11-20 02:31:18,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:31:18,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:31:18,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:31:18,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:31:18,181 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2019-11-20 02:31:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:31:18,292 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-11-20 02:31:18,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:31:18,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-20 02:31:18,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:31:18,295 INFO L225 Difference]: With dead ends: 56 [2019-11-20 02:31:18,295 INFO L226 Difference]: Without dead ends: 31 [2019-11-20 02:31:18,296 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:31:18,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-20 02:31:18,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-20 02:31:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-20 02:31:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-11-20 02:31:18,308 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-11-20 02:31:18,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:31:18,308 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-11-20 02:31:18,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:31:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-11-20 02:31:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:31:18,309 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:31:18,309 INFO L410 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] [2019-11-20 02:31:18,310 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:31:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:31:18,310 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-11-20 02:31:18,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:31:18,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411086951] [2019-11-20 02:31:18,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:31:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:31:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:31:18,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411086951] [2019-11-20 02:31:18,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:31:18,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 02:31:18,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289960131] [2019-11-20 02:31:18,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 02:31:18,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:31:18,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 02:31:18,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:31:18,457 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-11-20 02:31:18,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:31:18,759 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2019-11-20 02:31:18,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-20 02:31:18,762 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-20 02:31:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:31:18,764 INFO L225 Difference]: With dead ends: 178 [2019-11-20 02:31:18,764 INFO L226 Difference]: Without dead ends: 153 [2019-11-20 02:31:18,765 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-20 02:31:18,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-20 02:31:18,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2019-11-20 02:31:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-20 02:31:18,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-11-20 02:31:18,790 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-11-20 02:31:18,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:31:18,790 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-11-20 02:31:18,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 02:31:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-11-20 02:31:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:31:18,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:31:18,793 INFO L410 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] [2019-11-20 02:31:18,793 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:31:18,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:31:18,793 INFO L82 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2019-11-20 02:31:18,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:31:18,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132837860] [2019-11-20 02:31:18,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:31:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:31:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:31:18,875 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132837860] [2019-11-20 02:31:18,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:31:18,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:31:18,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104390829] [2019-11-20 02:31:18,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:31:18,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:31:18,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:31:18,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:31:18,877 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-11-20 02:31:18,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:31:18,894 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2019-11-20 02:31:18,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:31:18,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-20 02:31:18,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:31:18,896 INFO L225 Difference]: With dead ends: 126 [2019-11-20 02:31:18,896 INFO L226 Difference]: Without dead ends: 60 [2019-11-20 02:31:18,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:31:18,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-20 02:31:18,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-20 02:31:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-20 02:31:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-11-20 02:31:18,915 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-11-20 02:31:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:31:18,916 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-11-20 02:31:18,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:31:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-20 02:31:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 02:31:18,923 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:31:18,924 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:31:18,925 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:31:18,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:31:18,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1260992860, now seen corresponding path program 1 times [2019-11-20 02:31:18,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:31:18,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579102923] [2019-11-20 02:31:18,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:31:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:31:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 02:31:19,026 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579102923] [2019-11-20 02:31:19,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:31:19,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:31:19,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720354311] [2019-11-20 02:31:19,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:31:19,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:31:19,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:31:19,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:31:19,029 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-11-20 02:31:19,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:31:19,100 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-11-20 02:31:19,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:31:19,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-20 02:31:19,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:31:19,102 INFO L225 Difference]: With dead ends: 118 [2019-11-20 02:31:19,102 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:31:19,103 INFO L630 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 [2019-11-20 02:31:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:31:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:31:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:31:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:31:19,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-20 02:31:19,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:31:19,104 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:31:19,104 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:31:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:31:19,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:31:19,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 02:31:19,626 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-11-20 02:31:19,627 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-11-20 02:31:19,627 INFO L444 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-11-20 02:31:19,627 INFO L444 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-11-20 02:31:19,627 INFO L440 ceAbstractionStarter]: At program point L746(lines 739 749) the Hoare annotation is: false [2019-11-20 02:31:19,628 INFO L440 ceAbstractionStarter]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2019-11-20 02:31:19,628 INFO L440 ceAbstractionStarter]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2019-11-20 02:31:19,628 INFO L444 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2019-11-20 02:31:19,628 INFO L440 ceAbstractionStarter]: At program point L614-1(lines 614 620) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:31:19,628 INFO L440 ceAbstractionStarter]: At program point L862(lines 857 865) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-20 02:31:19,628 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 02:31:19,629 INFO L440 ceAbstractionStarter]: At program point L121(lines 116 124) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:31:19,629 INFO L440 ceAbstractionStarter]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-11-20 02:31:19,629 INFO L440 ceAbstractionStarter]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-11-20 02:31:19,629 INFO L440 ceAbstractionStarter]: At program point L650(lines 603 651) the Hoare annotation is: false [2019-11-20 02:31:19,629 INFO L444 ceAbstractionStarter]: For program point L634(lines 634 645) no Hoare annotation was computed. [2019-11-20 02:31:19,629 INFO L440 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-11-20 02:31:19,629 INFO L440 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-11-20 02:31:19,630 INFO L440 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-11-20 02:31:19,630 INFO L440 ceAbstractionStarter]: At program point L553(lines 549 555) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) [2019-11-20 02:31:19,630 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 02:31:19,630 INFO L444 ceAbstractionStarter]: For program point L702(lines 702 719) no Hoare annotation was computed. [2019-11-20 02:31:19,630 INFO L444 ceAbstractionStarter]: For program point L702-1(lines 702 719) no Hoare annotation was computed. [2019-11-20 02:31:19,630 INFO L444 ceAbstractionStarter]: For program point L702-2(lines 702 719) no Hoare annotation was computed. [2019-11-20 02:31:19,630 INFO L440 ceAbstractionStarter]: At program point L504-2(lines 504 518) the Hoare annotation is: false [2019-11-20 02:31:19,631 INFO L440 ceAbstractionStarter]: At program point L670(lines 669 688) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:31:19,631 INFO L444 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2019-11-20 02:31:19,631 INFO L440 ceAbstractionStarter]: At program point L670-2(lines 669 688) the Hoare annotation is: false [2019-11-20 02:31:19,631 INFO L440 ceAbstractionStarter]: At program point L670-3(lines 669 688) the Hoare annotation is: false [2019-11-20 02:31:19,631 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-20 02:31:19,631 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-11-20 02:31:19,632 INFO L444 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-11-20 02:31:19,632 INFO L444 ceAbstractionStarter]: For program point L605(lines 604 649) no Hoare annotation was computed. [2019-11-20 02:31:19,632 INFO L447 ceAbstractionStarter]: At program point L589(lines 570 592) the Hoare annotation is: true [2019-11-20 02:31:19,632 INFO L444 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-11-20 02:31:19,632 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 02:31:19,632 INFO L440 ceAbstractionStarter]: At program point L854(lines 1 865) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 02:31:19,632 INFO L440 ceAbstractionStarter]: At program point L755(lines 750 758) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:31:19,633 INFO L440 ceAbstractionStarter]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2019-11-20 02:31:19,633 INFO L440 ceAbstractionStarter]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2019-11-20 02:31:19,633 INFO L444 ceAbstractionStarter]: For program point L805(lines 805 818) no Hoare annotation was computed. [2019-11-20 02:31:19,633 INFO L440 ceAbstractionStarter]: At program point L805-1(lines 1 865) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:31:19,633 INFO L444 ceAbstractionStarter]: For program point L805-2(lines 805 818) no Hoare annotation was computed. [2019-11-20 02:31:19,633 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 714) no Hoare annotation was computed. [2019-11-20 02:31:19,633 INFO L440 ceAbstractionStarter]: At program point L805-3(lines 1 865) the Hoare annotation is: false [2019-11-20 02:31:19,633 INFO L444 ceAbstractionStarter]: For program point L706-1(lines 706 714) no Hoare annotation was computed. [2019-11-20 02:31:19,634 INFO L444 ceAbstractionStarter]: For program point L805-4(lines 805 818) no Hoare annotation was computed. [2019-11-20 02:31:19,634 INFO L444 ceAbstractionStarter]: For program point L640(lines 640 644) no Hoare annotation was computed. [2019-11-20 02:31:19,634 INFO L444 ceAbstractionStarter]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2019-11-20 02:31:19,634 INFO L440 ceAbstractionStarter]: At program point L805-5(lines 1 865) the Hoare annotation is: false [2019-11-20 02:31:19,634 INFO L444 ceAbstractionStarter]: For program point L640-2(lines 670 676) no Hoare annotation was computed. [2019-11-20 02:31:19,634 INFO L444 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-11-20 02:31:19,634 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 670 676) no Hoare annotation was computed. [2019-11-20 02:31:19,634 INFO L444 ceAbstractionStarter]: For program point L624(lines 624 630) no Hoare annotation was computed. [2019-11-20 02:31:19,635 INFO L440 ceAbstractionStarter]: At program point L624-1(lines 624 630) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:31:19,635 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-20 02:31:19,635 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 02:31:19,635 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-11-20 02:31:19,635 INFO L444 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2019-11-20 02:31:19,635 INFO L444 ceAbstractionStarter]: For program point L809-2(lines 809 815) no Hoare annotation was computed. [2019-11-20 02:31:19,642 INFO L440 ceAbstractionStarter]: At program point L677(lines 677 683) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:31:19,642 INFO L444 ceAbstractionStarter]: For program point L809-4(lines 809 815) no Hoare annotation was computed. [2019-11-20 02:31:19,642 INFO L440 ceAbstractionStarter]: At program point L677-1(lines 677 683) the Hoare annotation is: false [2019-11-20 02:31:19,642 INFO L440 ceAbstractionStarter]: At program point L677-2(lines 677 683) the Hoare annotation is: false [2019-11-20 02:31:19,642 INFO L444 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-11-20 02:31:19,643 INFO L444 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-11-20 02:31:19,643 INFO L444 ceAbstractionStarter]: For program point L827-2(line 827) no Hoare annotation was computed. [2019-11-20 02:31:19,643 INFO L444 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2019-11-20 02:31:19,643 INFO L447 ceAbstractionStarter]: At program point L580-1(lines 580 587) the Hoare annotation is: true [2019-11-20 02:31:19,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:31:19 BoogieIcfgContainer [2019-11-20 02:31:19,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:31:19,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:31:19,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:31:19,705 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:31:19,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:31:17" (3/4) ... [2019-11-20 02:31:19,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:31:19,734 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 02:31:19,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 02:31:19,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 02:31:19,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:31:19,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:31:19,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:31:19,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-20 02:31:19,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel [2019-11-20 02:31:19,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:31:19,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:31:19,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:31:19,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:31:19,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:31:19,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:31:19,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:31:19,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bbb5e841-a9b5-4bf4-9ecf-206b2e9cf908/bin/uautomizer/witness.graphml [2019-11-20 02:31:19,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:31:19,854 INFO L168 Benchmark]: Toolchain (without parser) took 3583.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -216.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:31:19,854 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:31:19,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -216.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:31:19,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:31:19,855 INFO L168 Benchmark]: Boogie Preprocessor took 51.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:31:19,856 INFO L168 Benchmark]: RCFGBuilder took 644.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:31:19,856 INFO L168 Benchmark]: TraceAbstraction took 2172.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.9 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:31:19,856 INFO L168 Benchmark]: Witness Printer took 147.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:31:19,858 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 477.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -216.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 644.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2172.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.9 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. * Witness Printer took 147.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 827]: 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: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 312 SDtfs, 523 SDslu, 390 SDs, 0 SdLazy, 103 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, 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, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1746 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 289 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...