./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.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_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7c3f2fafa8930e46cda9b06884ada352be77224 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 14:08:23,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:08:23,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:08:23,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:08:23,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:08:23,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:08:23,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:08:23,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:08:23,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:08:23,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:08:23,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:08:23,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:08:23,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:08:23,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:08:23,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:08:23,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:08:23,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:08:23,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:08:23,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:08:23,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:08:23,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:08:23,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:08:23,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:08:23,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:08:23,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:08:23,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:08:23,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:08:23,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:08:23,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:08:23,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:08:23,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:08:23,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:08:23,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:08:23,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:08:23,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:08:23,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:08:23,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:08:23,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:08:23,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:08:23,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:08:23,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:08:23,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:08:23,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:08:23,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:08:23,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:08:23,261 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:08:23,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:08:23,261 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:08:23,261 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:08:23,261 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:08:23,262 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:08:23,262 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:08:23,262 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:08:23,262 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:08:23,262 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:08:23,262 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:08:23,263 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:08:23,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:08:23,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:08:23,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:08:23,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:08:23,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:08:23,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:08:23,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:08:23,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:08:23,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:08:23,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:08:23,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:08:23,265 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:08:23,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:08:23,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:08:23,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:08:23,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:08:23,266 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan 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 -> Taipan 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 -> f7c3f2fafa8930e46cda9b06884ada352be77224 [2019-12-07 14:08:23,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:08:23,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:08:23,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:08:23,389 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:08:23,389 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:08:23,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-12-07 14:08:23,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/data/72101eea8/e96b0173694f4f3b8c202322fe01e609/FLAG50222d4ee [2019-12-07 14:08:23,916 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:08:23,917 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-12-07 14:08:23,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/data/72101eea8/e96b0173694f4f3b8c202322fe01e609/FLAG50222d4ee [2019-12-07 14:08:23,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/data/72101eea8/e96b0173694f4f3b8c202322fe01e609 [2019-12-07 14:08:23,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:08:23,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:08:23,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:08:23,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:08:23,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:08:23,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:08:23" (1/1) ... [2019-12-07 14:08:23,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39474158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:23, skipping insertion in model container [2019-12-07 14:08:23,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:08:23" (1/1) ... [2019-12-07 14:08:23,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:08:24,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:08:24,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:08:24,311 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:08:24,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:08:24,434 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:08:24,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24 WrapperNode [2019-12-07 14:08:24,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:08:24,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:08:24,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:08:24,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:08:24,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:08:24,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:08:24,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:08:24,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:08:24,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... [2019-12-07 14:08:24,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:08:24,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:08:24,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:08:24,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:08:24,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/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 14:08:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 14:08:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-12-07 14:08:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 14:08:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:08:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:08:24,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:08:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:08:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:08:25,979 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:08:25,979 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 14:08:25,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:08:25 BoogieIcfgContainer [2019-12-07 14:08:25,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:08:25,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:08:25,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:08:25,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:08:25,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:08:23" (1/3) ... [2019-12-07 14:08:25,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc3f6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:08:25, skipping insertion in model container [2019-12-07 14:08:25,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:08:24" (2/3) ... [2019-12-07 14:08:25,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc3f6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:08:25, skipping insertion in model container [2019-12-07 14:08:25,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:08:25" (3/3) ... [2019-12-07 14:08:25,985 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+nlh-reducer.c [2019-12-07 14:08:25,992 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:08:25,996 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:08:26,004 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:08:26,020 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:08:26,020 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:08:26,020 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:08:26,020 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:08:26,020 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:08:26,020 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:08:26,021 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:08:26,021 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:08:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-12-07 14:08:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-07 14:08:26,043 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:08:26,043 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, 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, 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, 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, 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, 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, 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 14:08:26,044 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:08:26,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:08:26,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1303788838, now seen corresponding path program 1 times [2019-12-07 14:08:26,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:08:26,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682084824] [2019-12-07 14:08:26,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:08:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:08:31,108 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2019-12-07 14:08:31,607 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 14:08:31,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682084824] [2019-12-07 14:08:31,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:08:31,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2019-12-07 14:08:31,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131725052] [2019-12-07 14:08:31,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2019-12-07 14:08:31,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:08:31,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2019-12-07 14:08:31,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=4805, Unknown=0, NotChecked=0, Total=4970 [2019-12-07 14:08:31,626 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 71 states. [2019-12-07 14:09:11,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:09:11,127 INFO L93 Difference]: Finished difference Result 179 states and 349 transitions. [2019-12-07 14:09:11,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-12-07 14:09:11,128 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 174 [2019-12-07 14:09:11,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:09:11,134 INFO L225 Difference]: With dead ends: 179 [2019-12-07 14:09:11,134 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:09:11,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=170, Invalid=4942, Unknown=0, NotChecked=0, Total=5112 [2019-12-07 14:09:11,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:09:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:09:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:09:11,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:09:11,154 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2019-12-07 14:09:11,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:09:11,154 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:09:11,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 71 states. [2019-12-07 14:09:11,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:09:11,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:09:11,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:09:11,161 INFO L246 CegarLoopResult]: For program point L993(lines 993 1474) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L465(lines 465 1820) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L333(lines 333 1910) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L829(lines 829 1582) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L697(lines 697 1672) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L532(lines 532 1779) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L499(lines 499 1797) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L1193(lines 1193 1344) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L1061(lines 1061 1434) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L896(lines 896 1541) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L863(lines 863 1559) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L335(lines 335 1905) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L1260(lines 1260 1303) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L203(lines 203 1995) no Hoare annotation was computed. [2019-12-07 14:09:11,162 INFO L246 CegarLoopResult]: For program point L1227(lines 1227 1321) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L699(lines 699 1667) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L567(lines 567 1757) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L402(lines 402 1864) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L369(lines 369 1882) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L1063(lines 1063 1429) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L931(lines 931 1519) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L766(lines 766 1626) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L733(lines 733 1644) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L205(lines 205 1990) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L1130(lines 1130 1388) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L1097(lines 1097 1406) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L569(lines 569 1752) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L437(lines 437 1842) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L272(lines 272 1949) no Hoare annotation was computed. [2019-12-07 14:09:11,163 INFO L246 CegarLoopResult]: For program point L239(lines 239 1967) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L933(lines 933 1514) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L801(lines 801 1604) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L636(lines 636 1711) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L603(lines 603 1729) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L1165(lines 1165 1366) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L1000(lines 1000 1473) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L967(lines 967 1491) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L439(lines 439 1837) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L307(lines 307 1927) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L803(lines 803 1599) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L671(lines 671 1689) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L506(lines 506 1796) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L473(lines 473 1814) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L1167(lines 1167 1361) no Hoare annotation was computed. [2019-12-07 14:09:11,164 INFO L246 CegarLoopResult]: For program point L1035(lines 1035 1451) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L870(lines 870 1558) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L837(lines 837 1576) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L309(lines 309 1922) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L1234(lines 1234 1320) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L177(lines 177 2012) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L1201(lines 1201 1338) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L673(lines 673 1684) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L541(lines 541 1774) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L376(lines 376 1881) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L343(lines 343 1899) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L1037(lines 1037 1446) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L905(lines 905 1536) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L740(lines 740 1643) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L707(lines 707 1661) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L1269(lines 1269 1298) no Hoare annotation was computed. [2019-12-07 14:09:11,165 INFO L246 CegarLoopResult]: For program point L179(lines 179 2007) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L1104(lines 1104 1405) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L1071(lines 1071 1423) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L543(lines 543 1769) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L411(lines 411 1859) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L246(lines 246 1966) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L213(lines 213 1984) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L907(lines 907 1531) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L775(lines 775 1621) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L610(lines 610 1728) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L577(lines 577 1746) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L1271(lines 1271 1293) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L1139(lines 1139 1383) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L941(lines 941 1508) no Hoare annotation was computed. [2019-12-07 14:09:11,166 INFO L246 CegarLoopResult]: For program point L413(lines 413 1854) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L281(lines 281 1944) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L777(lines 777 1616) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L645(lines 645 1706) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L480(lines 480 1813) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L447(lines 447 1831) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L1141(lines 1141 1378) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L1009(lines 1009 1468) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L844(lines 844 1575) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L811(lines 811 1593) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L283(lines 283 1939) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L1208(lines 1208 1337) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L1175(lines 1175 1355) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L647(lines 647 1701) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L515(lines 515 1791) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point L350(lines 350 1898) no Hoare annotation was computed. [2019-12-07 14:09:11,167 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L317(lines 317 1916) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L1011(lines 1011 1463) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L879(lines 879 1553) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L714(lines 714 1660) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L681(lines 681 1678) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L1243(lines 1243 1315) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L1078(lines 1078 1422) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L1045(lines 1045 1440) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L517(lines 517 1786) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L385(lines 385 1876) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L220(lines 220 1983) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L187(lines 187 2001) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L881(lines 881 1548) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L749(lines 749 1638) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L584(lines 584 1745) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L551(lines 551 1763) no Hoare annotation was computed. [2019-12-07 14:09:11,168 INFO L246 CegarLoopResult]: For program point L1245(lines 1245 1310) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L1113(lines 1113 1400) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L948(lines 948 1507) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L915(lines 915 1525) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L387(lines 387 1871) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L255(lines 255 1961) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L751(lines 751 1633) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L619(lines 619 1723) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L454(lines 454 1830) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L421(lines 421 1848) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L1115(lines 1115 1395) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L983(lines 983 1485) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L818(lines 818 1592) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L785(lines 785 1610) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L257(lines 257 1956) no Hoare annotation was computed. [2019-12-07 14:09:11,169 INFO L246 CegarLoopResult]: For program point L1182(lines 1182 1354) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L1149(lines 1149 1372) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L621(lines 621 1718) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L489(lines 489 1808) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L324(lines 324 1915) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L291(lines 291 1933) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L159(lines 159 2014) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L985(lines 985 1480) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L853(lines 853 1570) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L688(lines 688 1677) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L655(lines 655 1695) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L1283(lines 1283 1291) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L1217(lines 1217 1332) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L1052(lines 1052 1439) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L1019(lines 1019 1457) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L491(lines 491 1803) no Hoare annotation was computed. [2019-12-07 14:09:11,170 INFO L246 CegarLoopResult]: For program point L359(lines 359 1893) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L194(lines 194 2000) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L249 CegarLoopResult]: At program point L2011(lines 131 2015) the Hoare annotation is: true [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L855(lines 855 1565) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L723(lines 723 1655) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L558(lines 558 1762) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L525(lines 525 1780) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L1285(line 1285) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L1219(lines 1219 1327) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L1087(lines 1087 1417) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L922(lines 922 1524) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L889(lines 889 1542) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L361(lines 361 1888) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L229(lines 229 1978) no Hoare annotation was computed. [2019-12-07 14:09:11,171 INFO L246 CegarLoopResult]: For program point L1253(lines 1253 1304) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L725(lines 725 1650) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L593(lines 593 1740) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L428(lines 428 1847) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L395(lines 395 1865) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L1089(lines 1089 1412) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L957(lines 957 1502) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L792(lines 792 1609) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1285) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L759(lines 759 1627) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L231(lines 231 1973) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L1156(lines 1156 1371) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L1123(lines 1123 1389) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L595(lines 595 1735) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L463(lines 463 1825) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L298(lines 298 1932) no Hoare annotation was computed. [2019-12-07 14:09:11,172 INFO L246 CegarLoopResult]: For program point L265(lines 265 1950) no Hoare annotation was computed. [2019-12-07 14:09:11,173 INFO L246 CegarLoopResult]: For program point L959(lines 959 1497) no Hoare annotation was computed. [2019-12-07 14:09:11,173 INFO L246 CegarLoopResult]: For program point L827(lines 827 1587) no Hoare annotation was computed. [2019-12-07 14:09:11,173 INFO L246 CegarLoopResult]: For program point L662(lines 662 1694) no Hoare annotation was computed. [2019-12-07 14:09:11,173 INFO L246 CegarLoopResult]: For program point L629(lines 629 1712) no Hoare annotation was computed. [2019-12-07 14:09:11,173 INFO L246 CegarLoopResult]: For program point L1191(lines 1191 1349) no Hoare annotation was computed. [2019-12-07 14:09:11,173 INFO L246 CegarLoopResult]: For program point L1026(lines 1026 1456) no Hoare annotation was computed. [2019-12-07 14:09:11,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:09:11 BoogieIcfgContainer [2019-12-07 14:09:11,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:09:11,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:09:11,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:09:11,180 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:09:11,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:08:25" (3/4) ... [2019-12-07 14:09:11,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:09:11,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 206 nodes and edges [2019-12-07 14:09:11,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-07 14:09:11,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 14:09:11,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 14:09:11,218 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:09:11,220 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:09:11,456 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e5a15acc-d409-49e9-8f02-2bf61b35c9aa/bin/utaipan/witness.graphml [2019-12-07 14:09:11,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:09:11,457 INFO L168 Benchmark]: Toolchain (without parser) took 47512.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 935.3 MB in the beginning and 1.2 GB in the end (delta: -297.0 MB). Peak memory consumption was 475.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:11,457 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:09:11,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:11,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.77 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:11,458 INFO L168 Benchmark]: Boogie Preprocessor took 87.84 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:11,458 INFO L168 Benchmark]: RCFGBuilder took 1380.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 34.4 MB). Peak memory consumption was 222.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:11,458 INFO L168 Benchmark]: TraceAbstraction took 45199.57 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 1.0 GB in the beginning and 891.8 MB in the end (delta: 112.1 MB). Peak memory consumption was 351.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:11,459 INFO L168 Benchmark]: Witness Printer took 275.64 ms. Allocated memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: -15.2 MB). Free memory was 891.8 MB in the beginning and 1.2 GB in the end (delta: -340.5 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:09:11,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 489.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.77 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.84 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1380.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 34.4 MB). Peak memory consumption was 222.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 45199.57 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 1.0 GB in the beginning and 891.8 MB in the end (delta: 112.1 MB). Peak memory consumption was 351.7 MB. Max. memory is 11.5 GB. * Witness Printer took 275.64 ms. Allocated memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: -15.2 MB). Free memory was 891.8 MB in the beginning and 1.2 GB in the end (delta: -340.5 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1285]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 1 error locations. Result: SAFE, OverallTime: 45.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 39.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 36 SDtfs, 79 SDslu, 1449 SDs, 0 SdLazy, 16945 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 516751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...