./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/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 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:20:39,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:20:39,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:20:39,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:20:39,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:20:39,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:20:39,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:20:39,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:20:39,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:20:39,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:20:39,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:20:39,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:20:39,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:20:39,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:20:39,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:20:39,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:20:39,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:20:39,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:20:39,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:20:39,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:20:39,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:20:39,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:20:39,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:20:39,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:20:39,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:20:39,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:20:39,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:20:39,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:20:39,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:20:39,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:20:39,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:20:39,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:20:39,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:20:39,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:20:39,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:20:39,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:20:39,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:20:39,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:20:39,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:20:39,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:20:39,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:20:39,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:20:39,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:20:39,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:20:39,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:20:39,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:20:39,435 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:20:39,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:20:39,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:20:39,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:20:39,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:20:39,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:20:39,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:20:39,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:20:39,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:20:39,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:20:39,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:20:39,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:20:39,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:20:39,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:20:39,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:20:39,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:20:39,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:20:39,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:20:39,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:20:39,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:20:39,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:20:39,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:20:39,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:20:39,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:20:39,441 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_cce95515-ff86-4103-92c6-d51409015135/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 -> 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d [2019-11-16 00:20:39,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:20:39,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:20:39,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:20:39,487 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:20:39,487 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:20:39,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2019-11-16 00:20:39,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/data/f403a191a/10371c4514244dccbbdca795559fc484/FLAG3617b6c99 [2019-11-16 00:20:40,019 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:20:40,020 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2019-11-16 00:20:40,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/data/f403a191a/10371c4514244dccbbdca795559fc484/FLAG3617b6c99 [2019-11-16 00:20:40,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/data/f403a191a/10371c4514244dccbbdca795559fc484 [2019-11-16 00:20:40,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:20:40,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:20:40,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:20:40,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:20:40,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:20:40,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:20:40" (1/1) ... [2019-11-16 00:20:40,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b10e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:40, skipping insertion in model container [2019-11-16 00:20:40,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:20:40" (1/1) ... [2019-11-16 00:20:40,526 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:20:40,579 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:20:40,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:20:40,942 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:20:41,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:20:41,085 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:20:41,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41 WrapperNode [2019-11-16 00:20:41,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:20:41,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:20:41,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:20:41,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:20:41,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:20:41,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:20:41,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:20:41,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:20:41,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... [2019-11-16 00:20:41,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:20:41,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:20:41,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:20:41,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:20:41,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/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 [2019-11-16 00:20:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:20:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-16 00:20:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:20:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:20:41,994 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:20:41,994 INFO L284 CfgBuilder]: Removed 68 assume(true) statements. [2019-11-16 00:20:41,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:41 BoogieIcfgContainer [2019-11-16 00:20:41,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:20:41,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:20:41,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:20:42,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:20:42,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:20:40" (1/3) ... [2019-11-16 00:20:42,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8603552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:20:42, skipping insertion in model container [2019-11-16 00:20:42,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:20:41" (2/3) ... [2019-11-16 00:20:42,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8603552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:20:42, skipping insertion in model container [2019-11-16 00:20:42,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:41" (3/3) ... [2019-11-16 00:20:42,005 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2019-11-16 00:20:42,016 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:20:42,031 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-16 00:20:42,042 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-16 00:20:42,067 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:20:42,067 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:20:42,067 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:20:42,068 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:20:42,068 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:20:42,068 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:20:42,068 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:20:42,068 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:20:42,085 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-11-16 00:20:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:20:42,093 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:42,094 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:20:42,095 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:42,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:42,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2019-11-16 00:20:42,110 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:42,111 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989598939] [2019-11-16 00:20:42,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:42,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:42,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:42,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989598939] [2019-11-16 00:20:42,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:42,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:20:42,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748309889] [2019-11-16 00:20:42,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:20:42,441 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:42,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:20:42,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:20:42,457 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-11-16 00:20:42,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:42,484 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-11-16 00:20:42,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:20:42,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-16 00:20:42,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:42,493 INFO L225 Difference]: With dead ends: 108 [2019-11-16 00:20:42,493 INFO L226 Difference]: Without dead ends: 53 [2019-11-16 00:20:42,496 INFO L600 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 [2019-11-16 00:20:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-16 00:20:42,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-16 00:20:42,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-16 00:20:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-11-16 00:20:42,528 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-11-16 00:20:42,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:42,529 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-11-16 00:20:42,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:20:42,529 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-11-16 00:20:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:20:42,530 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:42,530 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:20:42,530 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:42,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:42,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2019-11-16 00:20:42,531 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:42,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726442455] [2019-11-16 00:20:42,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:42,532 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:42,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:42,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726442455] [2019-11-16 00:20:42,601 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:42,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:20:42,602 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858081656] [2019-11-16 00:20:42,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:20:42,603 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:42,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:20:42,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:20:42,604 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-11-16 00:20:42,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:42,612 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-11-16 00:20:42,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:20:42,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-16 00:20:42,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:42,615 INFO L225 Difference]: With dead ends: 53 [2019-11-16 00:20:42,616 INFO L226 Difference]: Without dead ends: 27 [2019-11-16 00:20:42,617 INFO L600 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 [2019-11-16 00:20:42,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-16 00:20:42,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-16 00:20:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-16 00:20:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-16 00:20:42,623 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-11-16 00:20:42,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:42,623 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-16 00:20:42,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:20:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-16 00:20:42,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-16 00:20:42,626 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:42,626 INFO L380 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] [2019-11-16 00:20:42,626 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:42,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:42,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2019-11-16 00:20:42,627 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:42,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038262847] [2019-11-16 00:20:42,628 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:42,628 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:42,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:42,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038262847] [2019-11-16 00:20:42,716 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:42,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:20:42,717 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251564426] [2019-11-16 00:20:42,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:20:42,717 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:42,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:20:42,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:42,718 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2019-11-16 00:20:42,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:42,920 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2019-11-16 00:20:42,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:20:42,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-16 00:20:42,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:42,924 INFO L225 Difference]: With dead ends: 109 [2019-11-16 00:20:42,924 INFO L226 Difference]: Without dead ends: 88 [2019-11-16 00:20:42,925 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:20:42,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-16 00:20:42,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2019-11-16 00:20:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-16 00:20:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2019-11-16 00:20:42,941 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2019-11-16 00:20:42,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:42,941 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2019-11-16 00:20:42,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:20:42,942 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2019-11-16 00:20:42,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-16 00:20:42,943 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:20:42,943 INFO L380 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] [2019-11-16 00:20:42,943 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:20:42,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:20:42,943 INFO L82 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2019-11-16 00:20:42,944 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:20:42,944 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989278756] [2019-11-16 00:20:42,944 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:42,944 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:20:42,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:20:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:20:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:20:43,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989278756] [2019-11-16 00:20:43,038 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:20:43,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:20:43,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431725542] [2019-11-16 00:20:43,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:20:43,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:20:43,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:20:43,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:20:43,040 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2019-11-16 00:20:43,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:20:43,122 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2019-11-16 00:20:43,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:20:43,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-16 00:20:43,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:20:43,123 INFO L225 Difference]: With dead ends: 130 [2019-11-16 00:20:43,123 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:20:43,125 INFO L600 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 [2019-11-16 00:20:43,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:20:43,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:20:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:20:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:20:43,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-16 00:20:43,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:20:43,126 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:20:43,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:20:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:20:43,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:20:43,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:20:43,347 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-16 00:20:43,347 INFO L443 ceAbstractionStarter]: For program point L481-1(line 481) no Hoare annotation was computed. [2019-11-16 00:20:43,347 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-11-16 00:20:43,348 INFO L443 ceAbstractionStarter]: For program point L481-2(line 481) no Hoare annotation was computed. [2019-11-16 00:20:43,348 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-16 00:20:43,348 INFO L439 ceAbstractionStarter]: At program point L383(lines 1 850) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-16 00:20:43,348 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:20:43,348 INFO L439 ceAbstractionStarter]: At program point L218(lines 213 221) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:43,349 INFO L439 ceAbstractionStarter]: At program point L218-1(lines 213 221) the Hoare annotation is: false [2019-11-16 00:20:43,349 INFO L439 ceAbstractionStarter]: At program point L218-2(lines 213 221) the Hoare annotation is: false [2019-11-16 00:20:43,349 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-16 00:20:43,349 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-16 00:20:43,349 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2019-11-16 00:20:43,349 INFO L439 ceAbstractionStarter]: At program point L287-1(lines 287 293) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:43,350 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-16 00:20:43,350 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 159 165) no Hoare annotation was computed. [2019-11-16 00:20:43,350 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 407) no Hoare annotation was computed. [2019-11-16 00:20:43,350 INFO L443 ceAbstractionStarter]: For program point L403-3(lines 403 407) no Hoare annotation was computed. [2019-11-16 00:20:43,350 INFO L443 ceAbstractionStarter]: For program point L403-6(lines 403 407) no Hoare annotation was computed. [2019-11-16 00:20:43,350 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-16 00:20:43,350 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:20:43,351 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 320) no Hoare annotation was computed. [2019-11-16 00:20:43,351 INFO L439 ceAbstractionStarter]: At program point L159(lines 158 177) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:43,351 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 159 165) no Hoare annotation was computed. [2019-11-16 00:20:43,351 INFO L439 ceAbstractionStarter]: At program point L159-2(lines 158 177) the Hoare annotation is: false [2019-11-16 00:20:43,351 INFO L439 ceAbstractionStarter]: At program point L159-3(lines 158 177) the Hoare annotation is: false [2019-11-16 00:20:43,351 INFO L439 ceAbstractionStarter]: At program point L440(lines 435 443) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:43,352 INFO L439 ceAbstractionStarter]: At program point L440-1(lines 435 443) the Hoare annotation is: false [2019-11-16 00:20:43,352 INFO L439 ceAbstractionStarter]: At program point L440-2(lines 435 443) the Hoare annotation is: false [2019-11-16 00:20:43,352 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-11-16 00:20:43,352 INFO L439 ceAbstractionStarter]: At program point L391(lines 386 394) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-16 00:20:43,352 INFO L439 ceAbstractionStarter]: At program point L325(lines 276 326) the Hoare annotation is: false [2019-11-16 00:20:43,352 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:20:43,352 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-11-16 00:20:43,353 INFO L439 ceAbstractionStarter]: At program point L343-1(lines 1 850) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:43,353 INFO L443 ceAbstractionStarter]: For program point L343-2(lines 343 356) no Hoare annotation was computed. [2019-11-16 00:20:43,353 INFO L439 ceAbstractionStarter]: At program point L343-3(lines 1 850) the Hoare annotation is: false [2019-11-16 00:20:43,353 INFO L443 ceAbstractionStarter]: For program point L343-4(lines 343 356) no Hoare annotation was computed. [2019-11-16 00:20:43,353 INFO L439 ceAbstractionStarter]: At program point L343-5(lines 1 850) the Hoare annotation is: false [2019-11-16 00:20:43,353 INFO L443 ceAbstractionStarter]: For program point L278(lines 277 324) no Hoare annotation was computed. [2019-11-16 00:20:43,354 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-11-16 00:20:43,356 INFO L443 ceAbstractionStarter]: For program point L427(lines 427 431) no Hoare annotation was computed. [2019-11-16 00:20:43,356 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-16 00:20:43,356 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-16 00:20:43,356 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 283) no Hoare annotation was computed. [2019-11-16 00:20:43,357 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:20:43,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2019-11-16 00:20:43,357 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-11-16 00:20:43,357 INFO L439 ceAbstractionStarter]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:43,357 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-11-16 00:20:43,357 INFO L443 ceAbstractionStarter]: For program point L347-2(lines 347 353) no Hoare annotation was computed. [2019-11-16 00:20:43,357 INFO L443 ceAbstractionStarter]: For program point L347-4(lines 347 353) no Hoare annotation was computed. [2019-11-16 00:20:43,358 INFO L439 ceAbstractionStarter]: At program point L166(lines 166 172) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:43,358 INFO L439 ceAbstractionStarter]: At program point L166-1(lines 166 172) the Hoare annotation is: false [2019-11-16 00:20:43,358 INFO L439 ceAbstractionStarter]: At program point L166-2(lines 166 172) the Hoare annotation is: false [2019-11-16 00:20:43,358 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-11-16 00:20:43,358 INFO L439 ceAbstractionStarter]: At program point L315-2(lines 159 165) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-16 00:20:43,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:20:43 BoogieIcfgContainer [2019-11-16 00:20:43,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:20:43,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:20:43,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:20:43,382 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:20:43,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:20:41" (3/4) ... [2019-11-16 00:20:43,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:20:43,401 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-16 00:20:43,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-16 00:20:43,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-16 00:20:43,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:20:43,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:20:43,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-16 00:20:43,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-16 00:20:43,532 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cce95515-ff86-4103-92c6-d51409015135/bin/uautomizer/witness.graphml [2019-11-16 00:20:43,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:20:43,535 INFO L168 Benchmark]: Toolchain (without parser) took 3024.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.7 MB in the beginning and 965.9 MB in the end (delta: -21.1 MB). Peak memory consumption was 118.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:43,535 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-16 00:20:43,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:43,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:20:43,536 INFO L168 Benchmark]: Boogie Preprocessor took 39.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:43,537 INFO L168 Benchmark]: RCFGBuilder took 808.66 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:43,544 INFO L168 Benchmark]: TraceAbstraction took 1385.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.6 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:43,545 INFO L168 Benchmark]: Witness Printer took 150.62 ms. Allocated memory is still 1.2 GB. Free memory was 976.6 MB in the beginning and 965.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:20:43,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 575.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -177.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 808.66 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1385.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.6 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Witness Printer took 150.62 ms. Allocated memory is still 1.2 GB. Free memory was 976.6 MB in the beginning and 965.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 481]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 481]: 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: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 == methaneLevelCritical && pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...