./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b7bdc3716d678e688a56b46e7747808e1f8c43e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:41:57,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:41:57,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:41:57,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:41:57,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:41:57,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:41:57,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:41:57,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:41:57,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:41:57,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:41:57,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:41:57,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:41:57,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:41:57,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:41:57,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:41:57,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:41:57,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:41:57,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:41:57,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:41:57,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:41:57,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:41:57,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:41:57,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:41:57,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:41:57,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:41:57,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:41:57,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:41:57,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:41:57,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:41:57,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:41:57,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:41:57,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:41:57,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:41:57,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:41:57,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:41:57,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:41:57,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:41:57,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:41:57,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:41:57,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:41:57,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:41:57,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:41:57,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:41:57,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:41:57,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:41:57,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:41:57,334 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:41:57,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:41:57,335 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:41:57,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:41:57,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:41:57,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:41:57,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:41:57,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:41:57,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:41:57,337 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:41:57,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:41:57,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:41:57,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:41:57,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:41:57,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:41:57,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:41:57,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:41:57,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:41:57,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:41:57,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:41:57,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:41:57,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:41:57,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:41:57,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:41:57,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:41:57,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b7bdc3716d678e688a56b46e7747808e1f8c43e [2020-11-29 19:41:57,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:41:57,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:41:57,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:41:57,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:41:57,723 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:41:57,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2020-11-29 19:41:57,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/data/e66979608/3c7f8ce1bccf473590f02f1affea16ac/FLAGaa8b5060a [2020-11-29 19:41:58,598 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:41:58,603 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2020-11-29 19:41:58,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/data/e66979608/3c7f8ce1bccf473590f02f1affea16ac/FLAGaa8b5060a [2020-11-29 19:41:58,841 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/data/e66979608/3c7f8ce1bccf473590f02f1affea16ac [2020-11-29 19:41:58,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:41:58,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:41:58,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:41:58,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:41:58,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:41:58,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:41:58" (1/1) ... [2020-11-29 19:41:58,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58eedcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:58, skipping insertion in model container [2020-11-29 19:41:58,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:41:58" (1/1) ... [2020-11-29 19:41:58,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:41:58,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:41:59,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:41:59,530 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:41:59,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:41:59,776 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:41:59,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59 WrapperNode [2020-11-29 19:41:59,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:41:59,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:41:59,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:41:59,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:41:59,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:41:59,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:41:59,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:41:59,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:41:59,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:41:59,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:41:59,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:41:59,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:41:59,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:41:59,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:42:00,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:42:00,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:42:00,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... [2020-11-29 19:42:00,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:42:00,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:42:00,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:42:00,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:42:00,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/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 [2020-11-29 19:42:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 19:42:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-11-29 19:42:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:42:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:42:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:42:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:42:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:42:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:42:05,278 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:42:05,279 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 19:42:05,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:05 BoogieIcfgContainer [2020-11-29 19:42:05,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:42:05,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:42:05,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:42:05,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:42:05,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:41:58" (1/3) ... [2020-11-29 19:42:05,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7340d13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:42:05, skipping insertion in model container [2020-11-29 19:42:05,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:59" (2/3) ... [2020-11-29 19:42:05,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7340d13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:42:05, skipping insertion in model container [2020-11-29 19:42:05,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:05" (3/3) ... [2020-11-29 19:42:05,295 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+nlh-reducer.c [2020-11-29 19:42:05,308 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:42:05,314 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:42:05,327 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:42:05,370 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:42:05,371 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:42:05,371 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:42:05,372 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:42:05,372 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:42:05,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:42:05,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:42:05,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:42:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-11-29 19:42:05,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-29 19:42:05,404 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:42:05,405 INFO L422 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, 1] [2020-11-29 19:42:05,405 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:42:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:05,411 INFO L82 PathProgramCache]: Analyzing trace with hash 492676326, now seen corresponding path program 1 times [2020-11-29 19:42:05,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:42:05,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704961249] [2020-11-29 19:42:05,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:42:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:42:11,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704961249] [2020-11-29 19:42:11,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:42:11,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2020-11-29 19:42:11,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298014892] [2020-11-29 19:42:11,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-11-29 19:42:11,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:42:11,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-11-29 19:42:11,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1980, Unknown=0, NotChecked=0, Total=2070 [2020-11-29 19:42:11,163 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 46 states. [2020-11-29 19:44:06,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:44:06,243 INFO L93 Difference]: Finished difference Result 183 states and 353 transitions. [2020-11-29 19:44:06,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-11-29 19:44:06,246 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 175 [2020-11-29 19:44:06,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:44:06,273 INFO L225 Difference]: With dead ends: 183 [2020-11-29 19:44:06,274 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:44:06,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=95, Invalid=2067, Unknown=0, NotChecked=0, Total=2162 [2020-11-29 19:44:06,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:44:06,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:44:06,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:44:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:44:06,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-11-29 19:44:06,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:44:06,311 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:44:06,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-11-29 19:44:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:44:06,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:44:06,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:44:06,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:44:06,342 INFO L274 CegarLoopResult]: For program point L597(lines 597 1737) no Hoare annotation was computed. [2020-11-29 19:44:06,343 INFO L274 CegarLoopResult]: For program point L465(lines 465 1827) no Hoare annotation was computed. [2020-11-29 19:44:06,343 INFO L274 CegarLoopResult]: For program point L300(lines 300 1934) no Hoare annotation was computed. [2020-11-29 19:44:06,343 INFO L274 CegarLoopResult]: For program point L267(lines 267 1952) no Hoare annotation was computed. [2020-11-29 19:44:06,343 INFO L274 CegarLoopResult]: For program point L961(lines 961 1499) no Hoare annotation was computed. [2020-11-29 19:44:06,343 INFO L274 CegarLoopResult]: For program point L829(lines 829 1589) no Hoare annotation was computed. [2020-11-29 19:44:06,343 INFO L274 CegarLoopResult]: For program point L664(lines 664 1696) no Hoare annotation was computed. [2020-11-29 19:44:06,344 INFO L274 CegarLoopResult]: For program point L631(lines 631 1714) no Hoare annotation was computed. [2020-11-29 19:44:06,344 INFO L274 CegarLoopResult]: For program point L1193(lines 1193 1351) no Hoare annotation was computed. [2020-11-29 19:44:06,344 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1458) no Hoare annotation was computed. [2020-11-29 19:44:06,344 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-29 19:44:06,344 INFO L274 CegarLoopResult]: For program point L995(lines 995 1476) no Hoare annotation was computed. [2020-11-29 19:44:06,344 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-11-29 19:44:06,344 INFO L274 CegarLoopResult]: For program point L467(lines 467 1822) no Hoare annotation was computed. [2020-11-29 19:44:06,345 INFO L274 CegarLoopResult]: For program point L335(lines 335 1912) no Hoare annotation was computed. [2020-11-29 19:44:06,345 INFO L274 CegarLoopResult]: For program point L831(lines 831 1584) no Hoare annotation was computed. [2020-11-29 19:44:06,345 INFO L274 CegarLoopResult]: For program point L699(lines 699 1674) no Hoare annotation was computed. [2020-11-29 19:44:06,345 INFO L274 CegarLoopResult]: For program point L534(lines 534 1781) no Hoare annotation was computed. [2020-11-29 19:44:06,345 INFO L274 CegarLoopResult]: For program point L501(lines 501 1799) no Hoare annotation was computed. [2020-11-29 19:44:06,345 INFO L274 CegarLoopResult]: For program point L1195(lines 1195 1346) no Hoare annotation was computed. [2020-11-29 19:44:06,345 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1436) no Hoare annotation was computed. [2020-11-29 19:44:06,345 INFO L274 CegarLoopResult]: For program point L898(lines 898 1543) no Hoare annotation was computed. [2020-11-29 19:44:06,346 INFO L274 CegarLoopResult]: For program point L865(lines 865 1561) no Hoare annotation was computed. [2020-11-29 19:44:06,346 INFO L274 CegarLoopResult]: For program point L337(lines 337 1907) no Hoare annotation was computed. [2020-11-29 19:44:06,346 INFO L274 CegarLoopResult]: For program point L1262(lines 1262 1305) no Hoare annotation was computed. [2020-11-29 19:44:06,346 INFO L274 CegarLoopResult]: For program point L205(lines 205 1997) no Hoare annotation was computed. [2020-11-29 19:44:06,346 INFO L274 CegarLoopResult]: For program point L1229(lines 1229 1323) no Hoare annotation was computed. [2020-11-29 19:44:06,346 INFO L274 CegarLoopResult]: For program point L701(lines 701 1669) no Hoare annotation was computed. [2020-11-29 19:44:06,346 INFO L274 CegarLoopResult]: For program point L569(lines 569 1759) no Hoare annotation was computed. [2020-11-29 19:44:06,346 INFO L274 CegarLoopResult]: For program point L404(lines 404 1866) no Hoare annotation was computed. [2020-11-29 19:44:06,347 INFO L274 CegarLoopResult]: For program point L371(lines 371 1884) no Hoare annotation was computed. [2020-11-29 19:44:06,347 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1431) no Hoare annotation was computed. [2020-11-29 19:44:06,347 INFO L274 CegarLoopResult]: For program point L933(lines 933 1521) no Hoare annotation was computed. [2020-11-29 19:44:06,347 INFO L274 CegarLoopResult]: For program point L768(lines 768 1628) no Hoare annotation was computed. [2020-11-29 19:44:06,347 INFO L274 CegarLoopResult]: For program point L735(lines 735 1646) no Hoare annotation was computed. [2020-11-29 19:44:06,347 INFO L274 CegarLoopResult]: For program point L207(lines 207 1992) no Hoare annotation was computed. [2020-11-29 19:44:06,347 INFO L274 CegarLoopResult]: For program point L1132(lines 1132 1390) no Hoare annotation was computed. [2020-11-29 19:44:06,347 INFO L274 CegarLoopResult]: For program point L1099(lines 1099 1408) no Hoare annotation was computed. [2020-11-29 19:44:06,348 INFO L274 CegarLoopResult]: For program point L571(lines 571 1754) no Hoare annotation was computed. [2020-11-29 19:44:06,348 INFO L274 CegarLoopResult]: For program point L439(lines 439 1844) no Hoare annotation was computed. [2020-11-29 19:44:06,348 INFO L274 CegarLoopResult]: For program point L274(lines 274 1951) no Hoare annotation was computed. [2020-11-29 19:44:06,348 INFO L274 CegarLoopResult]: For program point L241(lines 241 1969) no Hoare annotation was computed. [2020-11-29 19:44:06,348 INFO L274 CegarLoopResult]: For program point L935(lines 935 1516) no Hoare annotation was computed. [2020-11-29 19:44:06,348 INFO L274 CegarLoopResult]: For program point L803(lines 803 1606) no Hoare annotation was computed. [2020-11-29 19:44:06,348 INFO L274 CegarLoopResult]: For program point L638(lines 638 1713) no Hoare annotation was computed. [2020-11-29 19:44:06,348 INFO L274 CegarLoopResult]: For program point L605(lines 605 1731) no Hoare annotation was computed. [2020-11-29 19:44:06,349 INFO L274 CegarLoopResult]: For program point L1167(lines 1167 1368) no Hoare annotation was computed. [2020-11-29 19:44:06,349 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1475) no Hoare annotation was computed. [2020-11-29 19:44:06,349 INFO L274 CegarLoopResult]: For program point L969(lines 969 1493) no Hoare annotation was computed. [2020-11-29 19:44:06,349 INFO L274 CegarLoopResult]: For program point L441(lines 441 1839) no Hoare annotation was computed. [2020-11-29 19:44:06,349 INFO L274 CegarLoopResult]: For program point L309(lines 309 1929) no Hoare annotation was computed. [2020-11-29 19:44:06,349 INFO L274 CegarLoopResult]: For program point L805(lines 805 1601) no Hoare annotation was computed. [2020-11-29 19:44:06,349 INFO L274 CegarLoopResult]: For program point L673(lines 673 1691) no Hoare annotation was computed. [2020-11-29 19:44:06,349 INFO L274 CegarLoopResult]: For program point L508(lines 508 1798) no Hoare annotation was computed. [2020-11-29 19:44:06,350 INFO L274 CegarLoopResult]: For program point L475(lines 475 1816) no Hoare annotation was computed. [2020-11-29 19:44:06,350 INFO L274 CegarLoopResult]: For program point L1169(lines 1169 1363) no Hoare annotation was computed. [2020-11-29 19:44:06,350 INFO L274 CegarLoopResult]: For program point L1037(lines 1037 1453) no Hoare annotation was computed. [2020-11-29 19:44:06,350 INFO L274 CegarLoopResult]: For program point L872(lines 872 1560) no Hoare annotation was computed. [2020-11-29 19:44:06,350 INFO L274 CegarLoopResult]: For program point L839(lines 839 1578) no Hoare annotation was computed. [2020-11-29 19:44:06,350 INFO L274 CegarLoopResult]: For program point L311(lines 311 1924) no Hoare annotation was computed. [2020-11-29 19:44:06,350 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1322) no Hoare annotation was computed. [2020-11-29 19:44:06,350 INFO L274 CegarLoopResult]: For program point L179(lines 179 2014) no Hoare annotation was computed. [2020-11-29 19:44:06,363 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 1340) no Hoare annotation was computed. [2020-11-29 19:44:06,364 INFO L274 CegarLoopResult]: For program point L675(lines 675 1686) no Hoare annotation was computed. [2020-11-29 19:44:06,366 INFO L274 CegarLoopResult]: For program point L543(lines 543 1776) no Hoare annotation was computed. [2020-11-29 19:44:06,367 INFO L274 CegarLoopResult]: For program point L378(lines 378 1883) no Hoare annotation was computed. [2020-11-29 19:44:06,367 INFO L274 CegarLoopResult]: For program point L345(lines 345 1901) no Hoare annotation was computed. [2020-11-29 19:44:06,368 INFO L274 CegarLoopResult]: For program point L1039(lines 1039 1448) no Hoare annotation was computed. [2020-11-29 19:44:06,368 INFO L274 CegarLoopResult]: For program point L907(lines 907 1538) no Hoare annotation was computed. [2020-11-29 19:44:06,368 INFO L274 CegarLoopResult]: For program point L742(lines 742 1645) no Hoare annotation was computed. [2020-11-29 19:44:06,369 INFO L274 CegarLoopResult]: For program point L709(lines 709 1663) no Hoare annotation was computed. [2020-11-29 19:44:06,369 INFO L274 CegarLoopResult]: For program point L1271(lines 1271 1300) no Hoare annotation was computed. [2020-11-29 19:44:06,370 INFO L274 CegarLoopResult]: For program point L181(lines 181 2009) no Hoare annotation was computed. [2020-11-29 19:44:06,370 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1407) no Hoare annotation was computed. [2020-11-29 19:44:06,372 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1425) no Hoare annotation was computed. [2020-11-29 19:44:06,372 INFO L274 CegarLoopResult]: For program point L545(lines 545 1771) no Hoare annotation was computed. [2020-11-29 19:44:06,372 INFO L274 CegarLoopResult]: For program point L413(lines 413 1861) no Hoare annotation was computed. [2020-11-29 19:44:06,372 INFO L274 CegarLoopResult]: For program point L248(lines 248 1968) no Hoare annotation was computed. [2020-11-29 19:44:06,374 INFO L274 CegarLoopResult]: For program point L215(lines 215 1986) no Hoare annotation was computed. [2020-11-29 19:44:06,375 INFO L274 CegarLoopResult]: For program point L909(lines 909 1533) no Hoare annotation was computed. [2020-11-29 19:44:06,375 INFO L274 CegarLoopResult]: For program point L777(lines 777 1623) no Hoare annotation was computed. [2020-11-29 19:44:06,375 INFO L274 CegarLoopResult]: For program point L612(lines 612 1730) no Hoare annotation was computed. [2020-11-29 19:44:06,375 INFO L274 CegarLoopResult]: For program point L579(lines 579 1748) no Hoare annotation was computed. [2020-11-29 19:44:06,376 INFO L274 CegarLoopResult]: For program point L1273(lines 1273 1295) no Hoare annotation was computed. [2020-11-29 19:44:06,376 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1385) no Hoare annotation was computed. [2020-11-29 19:44:06,376 INFO L274 CegarLoopResult]: For program point L976(lines 976 1492) no Hoare annotation was computed. [2020-11-29 19:44:06,376 INFO L274 CegarLoopResult]: For program point L943(lines 943 1510) no Hoare annotation was computed. [2020-11-29 19:44:06,376 INFO L274 CegarLoopResult]: For program point L415(lines 415 1856) no Hoare annotation was computed. [2020-11-29 19:44:06,377 INFO L274 CegarLoopResult]: For program point L283(lines 283 1946) no Hoare annotation was computed. [2020-11-29 19:44:06,378 INFO L274 CegarLoopResult]: For program point L779(lines 779 1618) no Hoare annotation was computed. [2020-11-29 19:44:06,378 INFO L274 CegarLoopResult]: For program point L647(lines 647 1708) no Hoare annotation was computed. [2020-11-29 19:44:06,378 INFO L274 CegarLoopResult]: For program point L482(lines 482 1815) no Hoare annotation was computed. [2020-11-29 19:44:06,378 INFO L274 CegarLoopResult]: For program point L449(lines 449 1833) no Hoare annotation was computed. [2020-11-29 19:44:06,379 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:44:06,379 INFO L274 CegarLoopResult]: For program point L1143(lines 1143 1380) no Hoare annotation was computed. [2020-11-29 19:44:06,379 INFO L274 CegarLoopResult]: For program point L1011(lines 1011 1470) no Hoare annotation was computed. [2020-11-29 19:44:06,379 INFO L274 CegarLoopResult]: For program point L846(lines 846 1577) no Hoare annotation was computed. [2020-11-29 19:44:06,379 INFO L274 CegarLoopResult]: For program point L813(lines 813 1595) no Hoare annotation was computed. [2020-11-29 19:44:06,380 INFO L274 CegarLoopResult]: For program point L285(lines 285 1941) no Hoare annotation was computed. [2020-11-29 19:44:06,380 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1339) no Hoare annotation was computed. [2020-11-29 19:44:06,380 INFO L274 CegarLoopResult]: For program point L1177(lines 1177 1357) no Hoare annotation was computed. [2020-11-29 19:44:06,380 INFO L274 CegarLoopResult]: For program point L649(lines 649 1703) no Hoare annotation was computed. [2020-11-29 19:44:06,380 INFO L274 CegarLoopResult]: For program point L517(lines 517 1793) no Hoare annotation was computed. [2020-11-29 19:44:06,381 INFO L274 CegarLoopResult]: For program point L352(lines 352 1900) no Hoare annotation was computed. [2020-11-29 19:44:06,381 INFO L274 CegarLoopResult]: For program point L319(lines 319 1918) no Hoare annotation was computed. [2020-11-29 19:44:06,381 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1465) no Hoare annotation was computed. [2020-11-29 19:44:06,381 INFO L274 CegarLoopResult]: For program point L881(lines 881 1555) no Hoare annotation was computed. [2020-11-29 19:44:06,381 INFO L274 CegarLoopResult]: For program point L716(lines 716 1662) no Hoare annotation was computed. [2020-11-29 19:44:06,382 INFO L274 CegarLoopResult]: For program point L683(lines 683 1680) no Hoare annotation was computed. [2020-11-29 19:44:06,382 INFO L274 CegarLoopResult]: For program point L1245(lines 1245 1317) no Hoare annotation was computed. [2020-11-29 19:44:06,382 INFO L274 CegarLoopResult]: For program point L1080(lines 1080 1424) no Hoare annotation was computed. [2020-11-29 19:44:06,382 INFO L274 CegarLoopResult]: For program point L1047(lines 1047 1442) no Hoare annotation was computed. [2020-11-29 19:44:06,382 INFO L274 CegarLoopResult]: For program point L519(lines 519 1788) no Hoare annotation was computed. [2020-11-29 19:44:06,383 INFO L274 CegarLoopResult]: For program point L387(lines 387 1878) no Hoare annotation was computed. [2020-11-29 19:44:06,383 INFO L274 CegarLoopResult]: For program point L222(lines 222 1985) no Hoare annotation was computed. [2020-11-29 19:44:06,383 INFO L274 CegarLoopResult]: For program point L189(lines 189 2003) no Hoare annotation was computed. [2020-11-29 19:44:06,383 INFO L274 CegarLoopResult]: For program point L883(lines 883 1550) no Hoare annotation was computed. [2020-11-29 19:44:06,384 INFO L274 CegarLoopResult]: For program point L751(lines 751 1640) no Hoare annotation was computed. [2020-11-29 19:44:06,385 INFO L274 CegarLoopResult]: For program point L586(lines 586 1747) no Hoare annotation was computed. [2020-11-29 19:44:06,385 INFO L274 CegarLoopResult]: For program point L553(lines 553 1765) no Hoare annotation was computed. [2020-11-29 19:44:06,385 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:44:06,385 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1312) no Hoare annotation was computed. [2020-11-29 19:44:06,385 INFO L274 CegarLoopResult]: For program point L1115(lines 1115 1402) no Hoare annotation was computed. [2020-11-29 19:44:06,386 INFO L274 CegarLoopResult]: For program point L950(lines 950 1509) no Hoare annotation was computed. [2020-11-29 19:44:06,386 INFO L274 CegarLoopResult]: For program point L917(lines 917 1527) no Hoare annotation was computed. [2020-11-29 19:44:06,386 INFO L274 CegarLoopResult]: For program point L389(lines 389 1873) no Hoare annotation was computed. [2020-11-29 19:44:06,386 INFO L274 CegarLoopResult]: For program point L257(lines 257 1963) no Hoare annotation was computed. [2020-11-29 19:44:06,386 INFO L274 CegarLoopResult]: For program point L753(lines 753 1635) no Hoare annotation was computed. [2020-11-29 19:44:06,387 INFO L274 CegarLoopResult]: For program point L621(lines 621 1725) no Hoare annotation was computed. [2020-11-29 19:44:06,387 INFO L274 CegarLoopResult]: For program point L456(lines 456 1832) no Hoare annotation was computed. [2020-11-29 19:44:06,387 INFO L274 CegarLoopResult]: For program point L423(lines 423 1850) no Hoare annotation was computed. [2020-11-29 19:44:06,388 INFO L274 CegarLoopResult]: For program point L1117(lines 1117 1397) no Hoare annotation was computed. [2020-11-29 19:44:06,388 INFO L274 CegarLoopResult]: For program point L985(lines 985 1487) no Hoare annotation was computed. [2020-11-29 19:44:06,388 INFO L274 CegarLoopResult]: For program point L820(lines 820 1594) no Hoare annotation was computed. [2020-11-29 19:44:06,388 INFO L274 CegarLoopResult]: For program point L787(lines 787 1612) no Hoare annotation was computed. [2020-11-29 19:44:06,388 INFO L274 CegarLoopResult]: For program point L259(lines 259 1958) no Hoare annotation was computed. [2020-11-29 19:44:06,389 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1356) no Hoare annotation was computed. [2020-11-29 19:44:06,389 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1374) no Hoare annotation was computed. [2020-11-29 19:44:06,389 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:44:06,389 INFO L274 CegarLoopResult]: For program point L623(lines 623 1720) no Hoare annotation was computed. [2020-11-29 19:44:06,389 INFO L274 CegarLoopResult]: For program point L491(lines 491 1810) no Hoare annotation was computed. [2020-11-29 19:44:06,390 INFO L274 CegarLoopResult]: For program point L326(lines 326 1917) no Hoare annotation was computed. [2020-11-29 19:44:06,390 INFO L274 CegarLoopResult]: For program point L293(lines 293 1935) no Hoare annotation was computed. [2020-11-29 19:44:06,390 INFO L274 CegarLoopResult]: For program point L161(lines 161 2016) no Hoare annotation was computed. [2020-11-29 19:44:06,390 INFO L274 CegarLoopResult]: For program point L987(lines 987 1482) no Hoare annotation was computed. [2020-11-29 19:44:06,390 INFO L274 CegarLoopResult]: For program point L855(lines 855 1572) no Hoare annotation was computed. [2020-11-29 19:44:06,391 INFO L274 CegarLoopResult]: For program point L690(lines 690 1679) no Hoare annotation was computed. [2020-11-29 19:44:06,391 INFO L274 CegarLoopResult]: For program point L657(lines 657 1697) no Hoare annotation was computed. [2020-11-29 19:44:06,392 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1293) no Hoare annotation was computed. [2020-11-29 19:44:06,392 INFO L274 CegarLoopResult]: For program point L1219(lines 1219 1334) no Hoare annotation was computed. [2020-11-29 19:44:06,393 INFO L274 CegarLoopResult]: For program point L1054(lines 1054 1441) no Hoare annotation was computed. [2020-11-29 19:44:06,393 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1459) no Hoare annotation was computed. [2020-11-29 19:44:06,393 INFO L274 CegarLoopResult]: For program point L493(lines 493 1805) no Hoare annotation was computed. [2020-11-29 19:44:06,393 INFO L274 CegarLoopResult]: For program point L361(lines 361 1895) no Hoare annotation was computed. [2020-11-29 19:44:06,393 INFO L274 CegarLoopResult]: For program point L196(lines 196 2002) no Hoare annotation was computed. [2020-11-29 19:44:06,394 INFO L277 CegarLoopResult]: At program point L2013(lines 133 2017) the Hoare annotation is: true [2020-11-29 19:44:06,394 INFO L274 CegarLoopResult]: For program point L857(lines 857 1567) no Hoare annotation was computed. [2020-11-29 19:44:06,394 INFO L274 CegarLoopResult]: For program point L725(lines 725 1657) no Hoare annotation was computed. [2020-11-29 19:44:06,395 INFO L274 CegarLoopResult]: For program point L560(lines 560 1764) no Hoare annotation was computed. [2020-11-29 19:44:06,396 INFO L274 CegarLoopResult]: For program point L527(lines 527 1782) no Hoare annotation was computed. [2020-11-29 19:44:06,396 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1329) no Hoare annotation was computed. [2020-11-29 19:44:06,396 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1419) no Hoare annotation was computed. [2020-11-29 19:44:06,397 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:44:06,398 INFO L274 CegarLoopResult]: For program point L924(lines 924 1526) no Hoare annotation was computed. [2020-11-29 19:44:06,398 INFO L274 CegarLoopResult]: For program point L891(lines 891 1544) no Hoare annotation was computed. [2020-11-29 19:44:06,398 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-29 19:44:06,399 INFO L274 CegarLoopResult]: For program point L363(lines 363 1890) no Hoare annotation was computed. [2020-11-29 19:44:06,400 INFO L274 CegarLoopResult]: For program point L231(lines 231 1980) no Hoare annotation was computed. [2020-11-29 19:44:06,400 INFO L274 CegarLoopResult]: For program point L1255(lines 1255 1306) no Hoare annotation was computed. [2020-11-29 19:44:06,400 INFO L274 CegarLoopResult]: For program point L727(lines 727 1652) no Hoare annotation was computed. [2020-11-29 19:44:06,400 INFO L274 CegarLoopResult]: For program point L595(lines 595 1742) no Hoare annotation was computed. [2020-11-29 19:44:06,400 INFO L274 CegarLoopResult]: For program point L430(lines 430 1849) no Hoare annotation was computed. [2020-11-29 19:44:06,401 INFO L274 CegarLoopResult]: For program point L397(lines 397 1867) no Hoare annotation was computed. [2020-11-29 19:44:06,401 INFO L274 CegarLoopResult]: For program point L1091(lines 1091 1414) no Hoare annotation was computed. [2020-11-29 19:44:06,401 INFO L274 CegarLoopResult]: For program point L959(lines 959 1504) no Hoare annotation was computed. [2020-11-29 19:44:06,401 INFO L274 CegarLoopResult]: For program point L794(lines 794 1611) no Hoare annotation was computed. [2020-11-29 19:44:06,401 INFO L274 CegarLoopResult]: For program point L761(lines 761 1629) no Hoare annotation was computed. [2020-11-29 19:44:06,402 INFO L274 CegarLoopResult]: For program point L233(lines 233 1975) no Hoare annotation was computed. [2020-11-29 19:44:06,403 INFO L274 CegarLoopResult]: For program point L1158(lines 1158 1373) no Hoare annotation was computed. [2020-11-29 19:44:06,404 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1391) no Hoare annotation was computed. [2020-11-29 19:44:06,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:44:06 BoogieIcfgContainer [2020-11-29 19:44:06,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:44:06,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:44:06,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:44:06,427 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:44:06,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:05" (3/4) ... [2020-11-29 19:44:06,432 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:44:06,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 207 nodes and edges [2020-11-29 19:44:06,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2020-11-29 19:44:06,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:44:06,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:44:06,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:44:06,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:44:07,193 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_08475add-b8be-4b50-b56a-ae0c5d23fe66/bin/uautomizer/witness.graphml [2020-11-29 19:44:07,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:44:07,196 INFO L168 Benchmark]: Toolchain (without parser) took 128348.56 ms. Allocated memory was 88.1 MB in the beginning and 247.5 MB in the end (delta: 159.4 MB). Free memory was 57.8 MB in the beginning and 124.5 MB in the end (delta: -66.8 MB). Peak memory consumption was 153.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:07,197 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:44:07,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.29 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 57.6 MB in the beginning and 71.3 MB in the end (delta: -13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:07,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.70 ms. Allocated memory is still 115.3 MB. Free memory was 71.3 MB in the beginning and 62.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:07,199 INFO L168 Benchmark]: Boogie Preprocessor took 180.35 ms. Allocated memory is still 115.3 MB. Free memory was 62.9 MB in the beginning and 51.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:07,200 INFO L168 Benchmark]: RCFGBuilder took 5146.90 ms. Allocated memory was 115.3 MB in the beginning and 167.8 MB in the end (delta: 52.4 MB). Free memory was 51.1 MB in the beginning and 80.7 MB in the end (delta: -29.6 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:07,200 INFO L168 Benchmark]: TraceAbstraction took 121135.93 ms. Allocated memory was 167.8 MB in the beginning and 247.5 MB in the end (delta: 79.7 MB). Free memory was 79.6 MB in the beginning and 133.5 MB in the end (delta: -53.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:07,201 INFO L168 Benchmark]: Witness Printer took 767.17 ms. Allocated memory is still 247.5 MB. Free memory was 133.5 MB in the beginning and 124.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:07,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 919.29 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 57.6 MB in the beginning and 71.3 MB in the end (delta: -13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 173.70 ms. Allocated memory is still 115.3 MB. Free memory was 71.3 MB in the beginning and 62.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.35 ms. Allocated memory is still 115.3 MB. Free memory was 62.9 MB in the beginning and 51.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5146.90 ms. Allocated memory was 115.3 MB in the beginning and 167.8 MB in the end (delta: 52.4 MB). Free memory was 51.1 MB in the beginning and 80.7 MB in the end (delta: -29.6 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 121135.93 ms. Allocated memory was 167.8 MB in the beginning and 247.5 MB in the end (delta: 79.7 MB). Free memory was 79.6 MB in the beginning and 133.5 MB in the end (delta: -53.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Witness Printer took 767.17 ms. Allocated memory is still 247.5 MB. Free memory was 133.5 MB in the beginning and 124.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 133]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 180 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 120.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 115.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 89 SDtfs, 4 SDslu, 3576 SDs, 0 SdLazy, 9237 SolverSat, 2 SolverUnsat, 41 SolverUnknown, 0 SolverNotchecked, 110.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred 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, 2.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 469104 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...