./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/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 0.1.24-6b5699a [2019-11-25 08:54:48,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:48,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:48,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:48,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:48,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:48,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:48,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:48,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:48,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:48,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:48,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:48,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:48,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:48,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:48,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:48,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:48,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:48,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:48,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:48,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:48,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:48,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:48,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:48,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:48,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:48,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:48,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:48,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:48,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:48,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:48,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:48,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:48,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:48,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:48,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:48,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:48,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:48,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:48,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:48,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:48,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:54:48,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:48,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:48,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:48,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:48,354 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:48,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:48,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:48,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:48,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:48,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:48,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:54:48,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:54:48,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:54:48,356 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:48,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:48,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:48,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:54:48,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:48,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:48,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:54:48,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:54:48,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:48,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:48,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:54:48,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:54:48,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:48,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:54:48,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:54:48,360 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_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/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 [2019-11-25 08:54:48,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:48,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:48,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:48,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:48,544 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:48,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2019-11-25 08:54:48,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/data/e0605968a/0ca296919e48457aa6305c0305142df0/FLAG05b800525 [2019-11-25 08:54:49,055 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:49,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2019-11-25 08:54:49,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/data/e0605968a/0ca296919e48457aa6305c0305142df0/FLAG05b800525 [2019-11-25 08:54:49,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/data/e0605968a/0ca296919e48457aa6305c0305142df0 [2019-11-25 08:54:49,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:49,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:49,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:49,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:49,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:49,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:49,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142503a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49, skipping insertion in model container [2019-11-25 08:54:49,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:49,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:49,489 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:49,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:49,861 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:49,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:49,955 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:49,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49 WrapperNode [2019-11-25 08:54:49,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:49,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:49,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:49,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:49,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:49,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:50,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:50,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:50,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:50,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:50,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:50,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:50,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:50,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:50,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:50,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:50,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... [2019-11-25 08:54:50,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:50,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:50,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:50,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:50,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/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 [2019-11-25 08:54:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:54:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:50,679 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:50,680 INFO L284 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-25 08:54:50,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:50 BoogieIcfgContainer [2019-11-25 08:54:50,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:50,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:54:50,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:54:50,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:54:50,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:54:49" (1/3) ... [2019-11-25 08:54:50,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcc5322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:50, skipping insertion in model container [2019-11-25 08:54:50,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:49" (2/3) ... [2019-11-25 08:54:50,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcc5322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:50, skipping insertion in model container [2019-11-25 08:54:50,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:50" (3/3) ... [2019-11-25 08:54:50,687 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2019-11-25 08:54:50,696 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:54:50,702 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:54:50,712 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:54:50,736 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:54:50,736 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:54:50,736 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:54:50,736 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:50,736 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:50,736 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:54:50,736 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:50,737 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:54:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-11-25 08:54:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 08:54:50,760 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:50,761 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:50,761 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:50,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:50,766 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-11-25 08:54:50,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:50,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227153577] [2019-11-25 08:54:50,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:51,077 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227153577] [2019-11-25 08:54:51,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:51,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:51,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259326539] [2019-11-25 08:54:51,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:54:51,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:51,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:54:51,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:54:51,095 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-11-25 08:54:51,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:51,118 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-11-25 08:54:51,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:54:51,120 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-25 08:54:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:51,130 INFO L225 Difference]: With dead ends: 132 [2019-11-25 08:54:51,130 INFO L226 Difference]: Without dead ends: 65 [2019-11-25 08:54:51,133 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 [2019-11-25 08:54:51,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-25 08:54:51,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-25 08:54:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-25 08:54:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-25 08:54:51,171 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-11-25 08:54:51,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:51,171 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-25 08:54:51,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:54:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-11-25 08:54:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-25 08:54:51,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:51,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:51,173 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:51,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:51,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-11-25 08:54:51,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:51,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027031972] [2019-11-25 08:54:51,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:51,249 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027031972] [2019-11-25 08:54:51,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:51,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:51,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954129719] [2019-11-25 08:54:51,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:51,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:51,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:51,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:51,252 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-11-25 08:54:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:51,263 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-11-25 08:54:51,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:51,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-25 08:54:51,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:51,266 INFO L225 Difference]: With dead ends: 65 [2019-11-25 08:54:51,267 INFO L226 Difference]: Without dead ends: 31 [2019-11-25 08:54:51,268 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 [2019-11-25 08:54:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-25 08:54:51,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-25 08:54:51,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-25 08:54:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-11-25 08:54:51,273 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-11-25 08:54:51,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:51,274 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-11-25 08:54:51,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-11-25 08:54:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 08:54:51,275 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:51,275 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] [2019-11-25 08:54:51,275 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:51,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:51,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-11-25 08:54:51,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:51,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277310944] [2019-11-25 08:54:51,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:51,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277310944] [2019-11-25 08:54:51,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:51,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:51,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915116248] [2019-11-25 08:54:51,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:54:51,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:51,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:54:51,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:54:51,409 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2019-11-25 08:54:51,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:51,509 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-11-25 08:54:51,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:51,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-25 08:54:51,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:51,511 INFO L225 Difference]: With dead ends: 56 [2019-11-25 08:54:51,511 INFO L226 Difference]: Without dead ends: 31 [2019-11-25 08:54:51,512 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 [2019-11-25 08:54:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-25 08:54:51,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-25 08:54:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-25 08:54:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-11-25 08:54:51,517 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-11-25 08:54:51,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:51,517 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-11-25 08:54:51,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:54:51,517 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-11-25 08:54:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-25 08:54:51,518 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:51,518 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] [2019-11-25 08:54:51,519 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:51,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:51,519 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-11-25 08:54:51,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:51,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295758267] [2019-11-25 08:54:51,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:51,643 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295758267] [2019-11-25 08:54:51,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:51,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:54:51,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225865234] [2019-11-25 08:54:51,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:54:51,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:51,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:54:51,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:54:51,645 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-11-25 08:54:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:51,913 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2019-11-25 08:54:51,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 08:54:51,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-25 08:54:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:51,916 INFO L225 Difference]: With dead ends: 178 [2019-11-25 08:54:51,916 INFO L226 Difference]: Without dead ends: 153 [2019-11-25 08:54:51,917 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 [2019-11-25 08:54:51,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-25 08:54:51,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2019-11-25 08:54:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-25 08:54:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-11-25 08:54:51,931 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-11-25 08:54:51,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:51,932 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-11-25 08:54:51,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:54:51,936 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-11-25 08:54:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:54:51,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:51,938 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] [2019-11-25 08:54:51,938 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:51,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:51,938 INFO L82 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2019-11-25 08:54:51,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:51,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959633726] [2019-11-25 08:54:51,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:51,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959633726] [2019-11-25 08:54:51,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:51,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:51,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339856931] [2019-11-25 08:54:51,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:51,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:51,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:51,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:52,000 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-11-25 08:54:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:52,016 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2019-11-25 08:54:52,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:52,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-25 08:54:52,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:52,018 INFO L225 Difference]: With dead ends: 126 [2019-11-25 08:54:52,018 INFO L226 Difference]: Without dead ends: 60 [2019-11-25 08:54:52,018 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 [2019-11-25 08:54:52,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-25 08:54:52,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-25 08:54:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-25 08:54:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-11-25 08:54:52,027 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-11-25 08:54:52,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:52,028 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-11-25 08:54:52,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-25 08:54:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-25 08:54:52,029 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:52,030 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] [2019-11-25 08:54:52,030 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:52,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:52,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1260992860, now seen corresponding path program 1 times [2019-11-25 08:54:52,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:52,031 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676492186] [2019-11-25 08:54:52,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-25 08:54:52,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676492186] [2019-11-25 08:54:52,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:52,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:54:52,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743011893] [2019-11-25 08:54:52,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:52,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:52,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:52,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:52,119 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-11-25 08:54:52,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:52,190 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-11-25 08:54:52,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:52,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-25 08:54:52,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:52,191 INFO L225 Difference]: With dead ends: 118 [2019-11-25 08:54:52,192 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:54:52,193 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 [2019-11-25 08:54:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:54:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:54:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:54:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:54:52,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-25 08:54:52,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:52,194 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:52,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:52,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:54:52,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:54:52,732 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-11-25 08:54:52,732 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-11-25 08:54:52,733 INFO L444 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-11-25 08:54:52,733 INFO L444 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-11-25 08:54:52,733 INFO L440 ceAbstractionStarter]: At program point L746(lines 739 749) the Hoare annotation is: false [2019-11-25 08:54:52,733 INFO L440 ceAbstractionStarter]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2019-11-25 08:54:52,733 INFO L440 ceAbstractionStarter]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2019-11-25 08:54:52,733 INFO L444 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2019-11-25 08:54:52,733 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)) [2019-11-25 08:54:52,734 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)) [2019-11-25 08:54:52,734 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:54:52,734 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)) [2019-11-25 08:54:52,734 INFO L440 ceAbstractionStarter]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-11-25 08:54:52,734 INFO L440 ceAbstractionStarter]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-11-25 08:54:52,734 INFO L440 ceAbstractionStarter]: At program point L650(lines 603 651) the Hoare annotation is: false [2019-11-25 08:54:52,734 INFO L444 ceAbstractionStarter]: For program point L634(lines 634 645) no Hoare annotation was computed. [2019-11-25 08:54:52,734 INFO L440 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-11-25 08:54:52,735 INFO L440 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-11-25 08:54:52,735 INFO L440 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-11-25 08:54:52,735 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)) [2019-11-25 08:54:52,735 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:54:52,735 INFO L444 ceAbstractionStarter]: For program point L702(lines 702 719) no Hoare annotation was computed. [2019-11-25 08:54:52,735 INFO L444 ceAbstractionStarter]: For program point L702-1(lines 702 719) no Hoare annotation was computed. [2019-11-25 08:54:52,735 INFO L444 ceAbstractionStarter]: For program point L702-2(lines 702 719) no Hoare annotation was computed. [2019-11-25 08:54:52,735 INFO L440 ceAbstractionStarter]: At program point L504-2(lines 504 518) the Hoare annotation is: false [2019-11-25 08:54:52,736 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)) [2019-11-25 08:54:52,736 INFO L444 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2019-11-25 08:54:52,736 INFO L440 ceAbstractionStarter]: At program point L670-2(lines 669 688) the Hoare annotation is: false [2019-11-25 08:54:52,736 INFO L440 ceAbstractionStarter]: At program point L670-3(lines 669 688) the Hoare annotation is: false [2019-11-25 08:54:52,736 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-25 08:54:52,736 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-11-25 08:54:52,736 INFO L444 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-11-25 08:54:52,736 INFO L444 ceAbstractionStarter]: For program point L605(lines 604 649) no Hoare annotation was computed. [2019-11-25 08:54:52,736 INFO L447 ceAbstractionStarter]: At program point L589(lines 570 592) the Hoare annotation is: true [2019-11-25 08:54:52,737 INFO L444 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-11-25 08:54:52,737 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:54:52,737 INFO L440 ceAbstractionStarter]: At program point L854(lines 1 865) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-25 08:54:52,737 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)) [2019-11-25 08:54:52,737 INFO L440 ceAbstractionStarter]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2019-11-25 08:54:52,737 INFO L440 ceAbstractionStarter]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2019-11-25 08:54:52,737 INFO L444 ceAbstractionStarter]: For program point L805(lines 805 818) no Hoare annotation was computed. [2019-11-25 08:54:52,737 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)) [2019-11-25 08:54:52,738 INFO L444 ceAbstractionStarter]: For program point L805-2(lines 805 818) no Hoare annotation was computed. [2019-11-25 08:54:52,738 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 714) no Hoare annotation was computed. [2019-11-25 08:54:52,740 INFO L440 ceAbstractionStarter]: At program point L805-3(lines 1 865) the Hoare annotation is: false [2019-11-25 08:54:52,741 INFO L444 ceAbstractionStarter]: For program point L706-1(lines 706 714) no Hoare annotation was computed. [2019-11-25 08:54:52,741 INFO L444 ceAbstractionStarter]: For program point L805-4(lines 805 818) no Hoare annotation was computed. [2019-11-25 08:54:52,741 INFO L444 ceAbstractionStarter]: For program point L640(lines 640 644) no Hoare annotation was computed. [2019-11-25 08:54:52,741 INFO L444 ceAbstractionStarter]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2019-11-25 08:54:52,742 INFO L440 ceAbstractionStarter]: At program point L805-5(lines 1 865) the Hoare annotation is: false [2019-11-25 08:54:52,742 INFO L444 ceAbstractionStarter]: For program point L640-2(lines 670 676) no Hoare annotation was computed. [2019-11-25 08:54:52,742 INFO L444 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-11-25 08:54:52,742 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 670 676) no Hoare annotation was computed. [2019-11-25 08:54:52,742 INFO L444 ceAbstractionStarter]: For program point L624(lines 624 630) no Hoare annotation was computed. [2019-11-25 08:54:52,742 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)) [2019-11-25 08:54:52,743 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-25 08:54:52,743 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:54:52,743 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-11-25 08:54:52,743 INFO L444 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2019-11-25 08:54:52,743 INFO L444 ceAbstractionStarter]: For program point L809-2(lines 809 815) no Hoare annotation was computed. [2019-11-25 08:54:52,744 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)) [2019-11-25 08:54:52,744 INFO L444 ceAbstractionStarter]: For program point L809-4(lines 809 815) no Hoare annotation was computed. [2019-11-25 08:54:52,744 INFO L440 ceAbstractionStarter]: At program point L677-1(lines 677 683) the Hoare annotation is: false [2019-11-25 08:54:52,744 INFO L440 ceAbstractionStarter]: At program point L677-2(lines 677 683) the Hoare annotation is: false [2019-11-25 08:54:52,744 INFO L444 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-11-25 08:54:52,744 INFO L444 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-11-25 08:54:52,745 INFO L444 ceAbstractionStarter]: For program point L827-2(line 827) no Hoare annotation was computed. [2019-11-25 08:54:52,745 INFO L444 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2019-11-25 08:54:52,745 INFO L447 ceAbstractionStarter]: At program point L580-1(lines 580 587) the Hoare annotation is: true [2019-11-25 08:54:52,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:54:52 BoogieIcfgContainer [2019-11-25 08:54:52,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:54:52,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:52,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:52,777 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:52,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:50" (3/4) ... [2019-11-25 08:54:52,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:54:52,806 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:54:52,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:54:52,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:54:52,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:54:52,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:54:52,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:54:52,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:54:52,849 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-25 08:54:52,850 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel [2019-11-25 08:54:52,850 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:54:52,850 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:54:52,851 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:54:52,851 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:54:52,852 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:54:52,852 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:54:52,853 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-25 08:54:52,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7b04a2a4-0a0a-4c0b-aaa8-734cad9005fe/bin/uautomizer/witness.graphml [2019-11-25 08:54:52,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:52,915 INFO L168 Benchmark]: Toolchain (without parser) took 3505.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.4 MB in the beginning and 851.6 MB in the end (delta: 99.8 MB). Peak memory consumption was 231.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:52,916 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:52,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:52,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:52,917 INFO L168 Benchmark]: Boogie Preprocessor took 35.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:52,917 INFO L168 Benchmark]: RCFGBuilder took 621.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:52,918 INFO L168 Benchmark]: TraceAbstraction took 2094.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 865.0 MB in the end (delta: 182.1 MB). Peak memory consumption was 182.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:52,918 INFO L168 Benchmark]: Witness Printer took 136.43 ms. Allocated memory is still 1.2 GB. Free memory was 865.0 MB in the beginning and 851.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:52,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 546.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 621.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2094.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 865.0 MB in the end (delta: 182.1 MB). Peak memory consumption was 182.1 MB. Max. memory is 11.5 GB. * Witness Printer took 136.43 ms. Allocated memory is still 1.2 GB. Free memory was 865.0 MB in the beginning and 851.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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, 1763 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...