./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46e22e1d53e7e827d6bbfb0cb2148ba6e47285c6 ............................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:11,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:11,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:11,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:11,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:11,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:11,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:11,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:11,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:11,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:11,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:11,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:11,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:11,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:11,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:11,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:11,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:11,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:11,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:11,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:11,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:11,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:11,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:11,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:11,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:11,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:11,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:11,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:11,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:11,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:11,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:11,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:11,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:11,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:11,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:11,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:11,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:11,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:11,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:11,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:11,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:11,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:54:11,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:11,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:11,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:11,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:11,412 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:11,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:11,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:11,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:11,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:11,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:11,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:11,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:11,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:11,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:11,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:11,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:11,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:11,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:11,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:11,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:11,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:11,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:11,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:11,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:11,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:11,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:11,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:11,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:11,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46e22e1d53e7e827d6bbfb0cb2148ba6e47285c6 [2019-10-22 08:54:11,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:11,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:11,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:11,454 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:11,454 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:11,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2019-10-22 08:54:11,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/data/db270b43b/e580829b138e4b38b861b8525a353acd/FLAG4b6f81d41 [2019-10-22 08:54:11,889 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:11,890 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2019-10-22 08:54:11,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/data/db270b43b/e580829b138e4b38b861b8525a353acd/FLAG4b6f81d41 [2019-10-22 08:54:11,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/data/db270b43b/e580829b138e4b38b861b8525a353acd [2019-10-22 08:54:11,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:11,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:11,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:11,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:11,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:11,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be78fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:11, skipping insertion in model container [2019-10-22 08:54:11,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:11" (1/1) ... [2019-10-22 08:54:11,924 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:11,940 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:12,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,137 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:12,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,172 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:12,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12 WrapperNode [2019-10-22 08:54:12,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:12,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:12,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:12,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:12,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:12,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:12,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:12,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:12,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:12,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:12,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:54:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:54:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:54:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:54:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:12,650 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:12,650 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-10-22 08:54:12,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12 BoogieIcfgContainer [2019-10-22 08:54:12,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:12,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:12,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:12,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:12,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:11" (1/3) ... [2019-10-22 08:54:12,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d26108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (2/3) ... [2019-10-22 08:54:12,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d26108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12" (3/3) ... [2019-10-22 08:54:12,658 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2019-10-22 08:54:12,667 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:12,675 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:54:12,683 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:54:12,705 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:12,705 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:12,705 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:12,705 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:12,706 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:12,706 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:12,706 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:12,706 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-10-22 08:54:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:54:12,725 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:12,725 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:12,727 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:12,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:12,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1391500388, now seen corresponding path program 1 times [2019-10-22 08:54:12,737 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:12,737 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585683828] [2019-10-22 08:54:12,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:12,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:12,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:12,883 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585683828] [2019-10-22 08:54:12,884 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:12,884 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:12,885 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362518877] [2019-10-22 08:54:12,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:12,889 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:12,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:12,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:12,908 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-10-22 08:54:13,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:13,033 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2019-10-22 08:54:13,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:13,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-10-22 08:54:13,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:13,045 INFO L225 Difference]: With dead ends: 37 [2019-10-22 08:54:13,047 INFO L226 Difference]: Without dead ends: 25 [2019-10-22 08:54:13,051 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:54:13,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-10-22 08:54:13,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-10-22 08:54:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-22 08:54:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-10-22 08:54:13,087 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 10 [2019-10-22 08:54:13,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:13,088 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-10-22 08:54:13,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2019-10-22 08:54:13,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 08:54:13,088 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:13,088 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:13,089 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:13,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,091 INFO L82 PathProgramCache]: Analyzing trace with hash -545430346, now seen corresponding path program 1 times [2019-10-22 08:54:13,091 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:13,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37557240] [2019-10-22 08:54:13,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:13,163 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37557240] [2019-10-22 08:54:13,163 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:13,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:13,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795023224] [2019-10-22 08:54:13,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:13,165 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:13,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:13,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:13,166 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 5 states. [2019-10-22 08:54:13,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:13,225 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2019-10-22 08:54:13,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:54:13,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-10-22 08:54:13,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:13,226 INFO L225 Difference]: With dead ends: 31 [2019-10-22 08:54:13,226 INFO L226 Difference]: Without dead ends: 25 [2019-10-22 08:54:13,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:54:13,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-10-22 08:54:13,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-10-22 08:54:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-22 08:54:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-10-22 08:54:13,232 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 13 [2019-10-22 08:54:13,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:13,232 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-10-22 08:54:13,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-10-22 08:54:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:54:13,233 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:13,233 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:13,233 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:13,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,233 INFO L82 PathProgramCache]: Analyzing trace with hash 116488903, now seen corresponding path program 1 times [2019-10-22 08:54:13,234 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:13,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177000162] [2019-10-22 08:54:13,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:13,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177000162] [2019-10-22 08:54:13,295 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:13,295 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:13,295 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314988691] [2019-10-22 08:54:13,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:13,296 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:13,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:13,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:13,296 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2019-10-22 08:54:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:13,308 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2019-10-22 08:54:13,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:13,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-22 08:54:13,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:13,309 INFO L225 Difference]: With dead ends: 34 [2019-10-22 08:54:13,309 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 08:54:13,310 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:13,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 08:54:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 08:54:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 08:54:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-10-22 08:54:13,314 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 18 [2019-10-22 08:54:13,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:13,314 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-10-22 08:54:13,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-10-22 08:54:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:54:13,315 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:13,315 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:13,315 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,315 INFO L82 PathProgramCache]: Analyzing trace with hash -733347331, now seen corresponding path program 1 times [2019-10-22 08:54:13,316 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:13,316 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806831045] [2019-10-22 08:54:13,316 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,316 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:13,360 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806831045] [2019-10-22 08:54:13,361 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:13,361 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:13,361 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524511467] [2019-10-22 08:54:13,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:13,361 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:13,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:13,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:13,362 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2019-10-22 08:54:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:13,373 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-10-22 08:54:13,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:13,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 08:54:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:13,374 INFO L225 Difference]: With dead ends: 22 [2019-10-22 08:54:13,374 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:54:13,374 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:13,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:54:13,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:54:13,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:54:13,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:54:13,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-10-22 08:54:13,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:13,375 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:13,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:13,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:54:13,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:54:13,553 INFO L439 ceAbstractionStarter]: At program point L56(lines 55 57) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-10-22 08:54:13,553 INFO L443 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-10-22 08:54:13,553 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 48 51) no Hoare annotation was computed. [2019-10-22 08:54:13,553 INFO L439 ceAbstractionStarter]: At program point L131(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-10-22 08:54:13,553 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-10-22 08:54:13,553 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:54:13,554 INFO L439 ceAbstractionStarter]: At program point L127(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-10-22 08:54:13,554 INFO L443 ceAbstractionStarter]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-10-22 08:54:13,554 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:54:13,554 INFO L443 ceAbstractionStarter]: For program point L-1-2(line -1) no Hoare annotation was computed. [2019-10-22 08:54:13,554 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:54:13,554 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 89) no Hoare annotation was computed. [2019-10-22 08:54:13,554 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-10-22 08:54:13,554 INFO L443 ceAbstractionStarter]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2019-10-22 08:54:13,554 INFO L443 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2019-10-22 08:54:13,555 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-10-22 08:54:13,555 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:54:13,555 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-10-22 08:54:13,555 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-10-22 08:54:13,555 INFO L439 ceAbstractionStarter]: At program point L46(line 46) the Hoare annotation is: (and (= ~freed_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-10-22 08:54:13,556 INFO L439 ceAbstractionStarter]: At program point L46-1(line 46) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~freed_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-10-22 08:54:13,556 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-10-22 08:54:13,556 INFO L439 ceAbstractionStarter]: At program point L63(lines 61 64) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-10-22 08:54:13,556 INFO L439 ceAbstractionStarter]: At program point L121(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-10-22 08:54:13,556 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-10-22 08:54:13,556 INFO L443 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-10-22 08:54:13,556 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 138) no Hoare annotation was computed. [2019-10-22 08:54:13,557 INFO L439 ceAbstractionStarter]: At program point L68(lines 66 69) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-10-22 08:54:13,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:13 BoogieIcfgContainer [2019-10-22 08:54:13,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:13,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:13,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:13,590 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:13,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12" (3/4) ... [2019-10-22 08:54:13,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:54:13,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-10-22 08:54:13,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 08:54:13,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (freed_tmp_slot == 1 && !(calloc(1, size) == 0)) && !(0 == \result) [2019-10-22 08:54:13,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) [2019-10-22 08:54:13,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) [2019-10-22 08:54:13,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(0 == \result) [2019-10-22 08:54:13,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == hp_slot_ptr) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) [2019-10-22 08:54:13,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) [2019-10-22 08:54:13,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) [2019-10-22 08:54:13,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) [2019-10-22 08:54:13,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9337cd71-10e9-42c8-8f02-65fc97357001/bin/uautomizer/witness.graphml [2019-10-22 08:54:13,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:13,697 INFO L168 Benchmark]: Toolchain (without parser) took 1785.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -85.1 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,698 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:13,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -201.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,699 INFO L168 Benchmark]: Boogie Preprocessor took 48.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,700 INFO L168 Benchmark]: RCFGBuilder took 378.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,700 INFO L168 Benchmark]: TraceAbstraction took 937.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,701 INFO L168 Benchmark]: Witness Printer took 105.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,703 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -201.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 378.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 937.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. * Witness Printer took 105.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(0 == \result) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(0 == hp_slot_ptr) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (freed_tmp_slot == 1 && !(calloc(1, size) == 0)) && !(0 == \result) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 93 SDtfs, 176 SDslu, 29 SDs, 0 SdLazy, 33 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 208 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 1458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...