./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/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 8ca334e090ac37635ea5e20a191b6f0bec293495 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:32:26,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:32:26,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:32:26,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:32:26,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:32:26,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:32:26,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:32:26,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:32:26,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:32:26,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:32:26,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:32:26,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:32:26,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:32:26,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:32:26,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:32:26,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:32:26,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:32:26,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:32:26,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:32:26,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:32:26,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:32:26,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:32:26,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:32:26,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:32:26,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:32:26,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:32:26,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:32:26,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:32:26,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:32:26,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:32:26,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:32:26,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:32:26,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:32:26,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:32:26,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:32:26,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:32:26,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:32:26,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:32:26,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:32:26,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:32:26,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:32:26,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:32:26,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:32:26,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:32:26,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:32:26,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:32:26,276 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:32:26,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:32:26,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:32:26,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:32:26,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:32:26,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:32:26,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:32:26,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:32:26,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:32:26,277 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:32:26,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:32:26,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:32:26,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:32:26,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:32:26,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:32:26,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:32:26,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:32:26,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:32:26,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:32:26,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:32:26,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:32:26,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:32:26,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:32:26,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:32:26,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:32:26,280 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_574d72f6-4d29-42f7-aae3-ee09259ce8f9/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 -> 8ca334e090ac37635ea5e20a191b6f0bec293495 [2019-12-07 16:32:26,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:32:26,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:32:26,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:32:26,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:32:26,407 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:32:26,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2019-12-07 16:32:26,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/data/b41ce3756/e8b1215827c94b13aac202fa8e68d7bd/FLAG009fa57ae [2019-12-07 16:32:26,802 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:32:26,803 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2019-12-07 16:32:26,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/data/b41ce3756/e8b1215827c94b13aac202fa8e68d7bd/FLAG009fa57ae [2019-12-07 16:32:26,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/data/b41ce3756/e8b1215827c94b13aac202fa8e68d7bd [2019-12-07 16:32:26,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:32:26,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:32:26,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:32:26,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:32:26,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:32:26,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:32:26" (1/1) ... [2019-12-07 16:32:26,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:26, skipping insertion in model container [2019-12-07 16:32:26,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:32:26" (1/1) ... [2019-12-07 16:32:26,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:32:26,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:32:27,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:32:27,076 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:32:27,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:32:27,144 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:32:27,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27 WrapperNode [2019-12-07 16:32:27,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:32:27,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:32:27,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:32:27,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:32:27,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:32:27,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:32:27,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:32:27,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:32:27,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... [2019-12-07 16:32:27,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:32:27,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:32:27,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:32:27,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:32:27,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/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 [2019-12-07 16:32:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:32:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 16:32:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:32:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:32:27,711 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:32:27,711 INFO L287 CfgBuilder]: Removed 156 assume(true) statements. [2019-12-07 16:32:27,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:32:27 BoogieIcfgContainer [2019-12-07 16:32:27,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:32:27,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:32:27,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:32:27,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:32:27,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:32:26" (1/3) ... [2019-12-07 16:32:27,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dba89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:32:27, skipping insertion in model container [2019-12-07 16:32:27,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:32:27" (2/3) ... [2019-12-07 16:32:27,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dba89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:32:27, skipping insertion in model container [2019-12-07 16:32:27,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:32:27" (3/3) ... [2019-12-07 16:32:27,718 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2019-12-07 16:32:27,726 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:32:27,731 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:32:27,739 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:32:27,757 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:32:27,757 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:32:27,757 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:32:27,757 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:32:27,757 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:32:27,757 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:32:27,757 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:32:27,757 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:32:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-12-07 16:32:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:32:27,774 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:32:27,775 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:32:27,775 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:32:27,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:32:27,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2019-12-07 16:32:27,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:32:27,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575106658] [2019-12-07 16:32:27,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:32:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:32:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:32:27,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575106658] [2019-12-07 16:32:27,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:32:27,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:32:27,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747362887] [2019-12-07 16:32:27,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:32:27,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:32:27,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:32:27,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:32:27,949 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-12-07 16:32:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:32:27,969 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2019-12-07 16:32:27,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:32:27,970 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 16:32:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:32:27,977 INFO L225 Difference]: With dead ends: 204 [2019-12-07 16:32:27,977 INFO L226 Difference]: Without dead ends: 101 [2019-12-07 16:32:27,979 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 [2019-12-07 16:32:27,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-12-07 16:32:28,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-12-07 16:32:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-12-07 16:32:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-12-07 16:32:28,008 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2019-12-07 16:32:28,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:32:28,008 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-12-07 16:32:28,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:32:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2019-12-07 16:32:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:32:28,009 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:32:28,009 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:32:28,009 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:32:28,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:32:28,010 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2019-12-07 16:32:28,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:32:28,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907276947] [2019-12-07 16:32:28,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:32:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:32:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:32:28,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907276947] [2019-12-07 16:32:28,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:32:28,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:32:28,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756414286] [2019-12-07 16:32:28,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:32:28,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:32:28,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:32:28,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:32:28,072 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2019-12-07 16:32:28,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:32:28,080 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2019-12-07 16:32:28,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:32:28,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 16:32:28,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:32:28,081 INFO L225 Difference]: With dead ends: 101 [2019-12-07 16:32:28,081 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 16:32:28,082 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 [2019-12-07 16:32:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 16:32:28,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 16:32:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 16:32:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2019-12-07 16:32:28,086 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2019-12-07 16:32:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:32:28,086 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2019-12-07 16:32:28,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:32:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2019-12-07 16:32:28,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 16:32:28,087 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:32:28,087 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] [2019-12-07 16:32:28,087 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:32:28,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:32:28,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2019-12-07 16:32:28,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:32:28,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523105786] [2019-12-07 16:32:28,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:32:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:32:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:32:28,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523105786] [2019-12-07 16:32:28,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:32:28,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:32:28,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759930067] [2019-12-07 16:32:28,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:32:28,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:32:28,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:32:28,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:32:28,136 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2019-12-07 16:32:28,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:32:28,141 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2019-12-07 16:32:28,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:32:28,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-07 16:32:28,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:32:28,143 INFO L225 Difference]: With dead ends: 80 [2019-12-07 16:32:28,143 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 16:32:28,143 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 [2019-12-07 16:32:28,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 16:32:28,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 16:32:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 16:32:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-12-07 16:32:28,147 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2019-12-07 16:32:28,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:32:28,147 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-12-07 16:32:28,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:32:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-12-07 16:32:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:32:28,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:32:28,148 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] [2019-12-07 16:32:28,148 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:32:28,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:32:28,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2019-12-07 16:32:28,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:32:28,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629942461] [2019-12-07 16:32:28,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:32:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:32:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:32:28,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629942461] [2019-12-07 16:32:28,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:32:28,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:32:28,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356251468] [2019-12-07 16:32:28,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:32:28,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:32:28,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:32:28,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:32:28,197 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2019-12-07 16:32:28,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:32:28,268 INFO L93 Difference]: Finished difference Result 170 states and 251 transitions. [2019-12-07 16:32:28,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:32:28,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 16:32:28,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:32:28,270 INFO L225 Difference]: With dead ends: 170 [2019-12-07 16:32:28,270 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 16:32:28,271 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:32:28,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 16:32:28,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 76. [2019-12-07 16:32:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 16:32:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2019-12-07 16:32:28,278 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 24 [2019-12-07 16:32:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:32:28,279 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2019-12-07 16:32:28,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:32:28,279 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-12-07 16:32:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 16:32:28,279 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:32:28,280 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, 1] [2019-12-07 16:32:28,280 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:32:28,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:32:28,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1032359194, now seen corresponding path program 1 times [2019-12-07 16:32:28,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:32:28,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405589275] [2019-12-07 16:32:28,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:32:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:32:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:32:28,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405589275] [2019-12-07 16:32:28,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:32:28,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:32:28,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864888393] [2019-12-07 16:32:28,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:32:28,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:32:28,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:32:28,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:32:28,323 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2019-12-07 16:32:28,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:32:28,359 INFO L93 Difference]: Finished difference Result 148 states and 217 transitions. [2019-12-07 16:32:28,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:32:28,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 16:32:28,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:32:28,359 INFO L225 Difference]: With dead ends: 148 [2019-12-07 16:32:28,360 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:32:28,360 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 [2019-12-07 16:32:28,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:32:28,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:32:28,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:32:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:32:28,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 16:32:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:32:28,361 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:32:28,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:32:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:32:28,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:32:28,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:32:28,471 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2019-12-07 16:32:28,472 INFO L242 CegarLoopResult]: At program point L696(lines 1 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 16:32:28,472 INFO L246 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2019-12-07 16:32:28,472 INFO L246 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-12-07 16:32:28,472 INFO L246 CegarLoopResult]: For program point L300-2(line 300) no Hoare annotation was computed. [2019-12-07 16:32:28,472 INFO L242 CegarLoopResult]: At program point L168(lines 163 171) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:32:28,472 INFO L242 CegarLoopResult]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2019-12-07 16:32:28,473 INFO L242 CegarLoopResult]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2019-12-07 16:32:28,473 INFO L246 CegarLoopResult]: For program point L862(lines 862 866) no Hoare annotation was computed. [2019-12-07 16:32:28,473 INFO L246 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2019-12-07 16:32:28,473 INFO L249 CegarLoopResult]: At program point L800(lines 781 803) the Hoare annotation is: true [2019-12-07 16:32:28,473 INFO L242 CegarLoopResult]: At program point L768(lines 764 770) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 16:32:28,473 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2019-12-07 16:32:28,473 INFO L242 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 16:32:28,474 INFO L246 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2019-12-07 16:32:28,474 INFO L246 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-12-07 16:32:28,474 INFO L246 CegarLoopResult]: For program point L838(lines 838 842) no Hoare annotation was computed. [2019-12-07 16:32:28,474 INFO L246 CegarLoopResult]: For program point L838-3(lines 838 842) no Hoare annotation was computed. [2019-12-07 16:32:28,474 INFO L246 CegarLoopResult]: For program point L838-6(lines 838 842) no Hoare annotation was computed. [2019-12-07 16:32:28,474 INFO L246 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2019-12-07 16:32:28,474 INFO L246 CegarLoopResult]: For program point L277-2(lines 57 63) no Hoare annotation was computed. [2019-12-07 16:32:28,474 INFO L242 CegarLoopResult]: At program point L907(lines 902 910) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:32:28,474 INFO L242 CegarLoopResult]: At program point L907-1(lines 902 910) the Hoare annotation is: false [2019-12-07 16:32:28,475 INFO L242 CegarLoopResult]: At program point L907-2(lines 902 910) the Hoare annotation is: false [2019-12-07 16:32:28,475 INFO L246 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-12-07 16:32:28,475 INFO L246 CegarLoopResult]: For program point L115-1(lines 115 132) no Hoare annotation was computed. [2019-12-07 16:32:28,475 INFO L246 CegarLoopResult]: For program point L115-2(lines 115 132) no Hoare annotation was computed. [2019-12-07 16:32:28,475 INFO L242 CegarLoopResult]: At program point L875(lines 870 878) the Hoare annotation is: false [2019-12-07 16:32:28,475 INFO L242 CegarLoopResult]: At program point L875-1(lines 870 878) the Hoare annotation is: false [2019-12-07 16:32:28,475 INFO L242 CegarLoopResult]: At program point L875-2(lines 870 878) the Hoare annotation is: false [2019-12-07 16:32:28,475 INFO L246 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,475 INFO L246 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,475 INFO L246 CegarLoopResult]: For program point L217-3(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-5(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-6(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-8(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-9(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-11(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-12(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-14(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-15(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point L217-17(lines 217 221) no Hoare annotation was computed. [2019-12-07 16:32:28,476 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:32:28,477 INFO L246 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-12-07 16:32:28,477 INFO L242 CegarLoopResult]: At program point L251-1(lines 251 257) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:32:28,477 INFO L246 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-12-07 16:32:28,477 INFO L246 CegarLoopResult]: For program point L119-1(lines 119 127) no Hoare annotation was computed. [2019-12-07 16:32:28,477 INFO L246 CegarLoopResult]: For program point L119-2(lines 119 127) no Hoare annotation was computed. [2019-12-07 16:32:28,477 INFO L246 CegarLoopResult]: For program point L814(lines 814 827) no Hoare annotation was computed. [2019-12-07 16:32:28,477 INFO L242 CegarLoopResult]: At program point L814-1(lines 1 919) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:32:28,477 INFO L246 CegarLoopResult]: For program point L814-2(lines 814 827) no Hoare annotation was computed. [2019-12-07 16:32:28,478 INFO L242 CegarLoopResult]: At program point L814-3(lines 1 919) the Hoare annotation is: false [2019-12-07 16:32:28,478 INFO L246 CegarLoopResult]: For program point L814-4(lines 814 827) no Hoare annotation was computed. [2019-12-07 16:32:28,478 INFO L242 CegarLoopResult]: At program point L814-5(lines 1 919) the Hoare annotation is: false [2019-12-07 16:32:28,478 INFO L242 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: false [2019-12-07 16:32:28,478 INFO L246 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-12-07 16:32:28,478 INFO L246 CegarLoopResult]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2019-12-07 16:32:28,478 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2019-12-07 16:32:28,478 INFO L246 CegarLoopResult]: For program point L89-3(lines 89 106) no Hoare annotation was computed. [2019-12-07 16:32:28,478 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 106) no Hoare annotation was computed. [2019-12-07 16:32:28,479 INFO L246 CegarLoopResult]: For program point L89-5(lines 89 106) no Hoare annotation was computed. [2019-12-07 16:32:28,479 INFO L242 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:32:28,479 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 16:32:28,479 INFO L242 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-12-07 16:32:28,479 INFO L242 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-12-07 16:32:28,479 INFO L242 CegarLoopResult]: At program point L916(lines 911 919) the Hoare annotation is: false [2019-12-07 16:32:28,479 INFO L242 CegarLoopResult]: At program point L916-1(lines 911 919) the Hoare annotation is: false [2019-12-07 16:32:28,479 INFO L246 CegarLoopResult]: For program point L850(lines 850 854) no Hoare annotation was computed. [2019-12-07 16:32:28,479 INFO L242 CegarLoopResult]: At program point L916-2(lines 911 919) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L916-3(lines 911 919) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L916-4(lines 911 919) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L916-5(lines 911 919) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L223(lines 208 226) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L223-1(lines 208 226) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L223-2(lines 208 226) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L223-3(lines 208 226) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L223-4(lines 208 226) the Hoare annotation is: false [2019-12-07 16:32:28,480 INFO L242 CegarLoopResult]: At program point L223-5(lines 208 226) the Hoare annotation is: false [2019-12-07 16:32:28,481 INFO L246 CegarLoopResult]: For program point L818(lines 818 824) no Hoare annotation was computed. [2019-12-07 16:32:28,481 INFO L246 CegarLoopResult]: For program point L818-2(lines 818 824) no Hoare annotation was computed. [2019-12-07 16:32:28,481 INFO L246 CegarLoopResult]: For program point L818-4(lines 818 824) no Hoare annotation was computed. [2019-12-07 16:32:28,481 INFO L242 CegarLoopResult]: At program point L720-2(lines 720 734) the Hoare annotation is: false [2019-12-07 16:32:28,481 INFO L242 CegarLoopResult]: At program point L159(lines 152 162) the Hoare annotation is: false [2019-12-07 16:32:28,481 INFO L242 CegarLoopResult]: At program point L159-1(lines 152 162) the Hoare annotation is: false [2019-12-07 16:32:28,481 INFO L246 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-12-07 16:32:28,481 INFO L242 CegarLoopResult]: At program point L159-2(lines 152 162) the Hoare annotation is: false [2019-12-07 16:32:28,481 INFO L246 CegarLoopResult]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2019-12-07 16:32:28,481 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2019-12-07 16:32:28,482 INFO L246 CegarLoopResult]: For program point L93-3(lines 93 101) no Hoare annotation was computed. [2019-12-07 16:32:28,482 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2019-12-07 16:32:28,482 INFO L246 CegarLoopResult]: For program point L93-5(lines 93 101) no Hoare annotation was computed. [2019-12-07 16:32:28,482 INFO L246 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2019-12-07 16:32:28,482 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:32:28,482 INFO L246 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-12-07 16:32:28,482 INFO L242 CegarLoopResult]: At program point L261-1(lines 261 267) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:32:28,482 INFO L246 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-12-07 16:32:28,482 INFO L246 CegarLoopResult]: For program point L724-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 16:32:28,483 INFO L242 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:32:28,483 INFO L242 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-12-07 16:32:28,483 INFO L242 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-12-07 16:32:28,483 INFO L246 CegarLoopResult]: For program point L791(lines 791 798) no Hoare annotation was computed. [2019-12-07 16:32:28,483 INFO L249 CegarLoopResult]: At program point L791-1(lines 791 798) the Hoare annotation is: true [2019-12-07 16:32:28,483 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:32:28,483 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2019-12-07 16:32:28,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:32:28 BoogieIcfgContainer [2019-12-07 16:32:28,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:32:28,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:32:28,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:32:28,499 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:32:28,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:32:27" (3/4) ... [2019-12-07 16:32:28,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:32:28,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:32:28,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:32:28,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:32:28,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:32:28,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:32:28,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:32:28,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:32:28,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:32:28,585 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_574d72f6-4d29-42f7-aae3-ee09259ce8f9/bin/uautomizer/witness.graphml [2019-12-07 16:32:28,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:32:28,587 INFO L168 Benchmark]: Toolchain (without parser) took 1763.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.8 MB in the beginning and 881.1 MB in the end (delta: 59.7 MB). Peak memory consumption was 158.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:28,587 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:32:28,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:28,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.58 ms. Allocated memory is still 1.1 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. [2019-12-07 16:32:28,588 INFO L168 Benchmark]: Boogie Preprocessor took 29.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:32:28,588 INFO L168 Benchmark]: RCFGBuilder took 492.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:28,588 INFO L168 Benchmark]: TraceAbstraction took 785.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 891.8 MB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:28,588 INFO L168 Benchmark]: Witness Printer took 86.86 ms. Allocated memory is still 1.1 GB. Free memory was 891.8 MB in the beginning and 881.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:28,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.58 ms. Allocated memory is still 1.1 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. * Boogie Preprocessor took 29.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 492.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 785.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 891.8 MB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 11.5 GB. * Witness Printer took 86.86 ms. Allocated memory is still 1.1 GB. Free memory was 891.8 MB in the beginning and 881.1 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: 300]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 300]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 300]: 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: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 410 SDtfs, 379 SDslu, 266 SDs, 0 SdLazy, 66 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 68 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 515 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...