./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_4_true-unreach-call.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4_true-unreach-call.c.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/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 d07fdb41c87a54e0a2193fb96ee8f018da628236 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:06:47,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:06:47,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:06:47,306 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:06:47,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:06:47,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:06:47,307 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:06:47,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:06:47,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:06:47,310 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:06:47,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:06:47,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:06:47,311 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:06:47,312 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:06:47,313 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:06:47,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:06:47,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:06:47,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:06:47,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:06:47,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:06:47,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:06:47,318 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:06:47,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:06:47,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:06:47,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:06:47,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:06:47,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:06:47,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:06:47,322 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:06:47,323 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:06:47,323 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:06:47,323 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:06:47,323 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:06:47,324 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:06:47,324 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:06:47,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:06:47,325 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 02:06:47,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:06:47,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:06:47,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:06:47,332 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:06:47,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:06:47,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:06:47,333 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:06:47,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:06:47,333 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:06:47,333 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:06:47,333 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:06:47,334 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:06:47,334 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:06:47,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:06:47,334 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:06:47,334 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:06:47,334 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:06:47,334 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:06:47,334 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:06:47,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:06:47,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:06:47,335 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:06:47,335 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:06:47,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:06:47,335 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:06:47,335 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:06:47,335 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:06:47,335 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:06:47,336 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:06:47,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:06:47,336 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/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 -> d07fdb41c87a54e0a2193fb96ee8f018da628236 [2018-11-23 02:06:47,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:06:47,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:06:47,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:06:47,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:06:47,370 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:06:47,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/aiob_4_true-unreach-call.c.v+lhb-reducer.c [2018-11-23 02:06:47,407 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/data/aaf5f477f/b013fb628404475a8814f882a801e4fb/FLAG73409c6cd [2018-11-23 02:06:47,858 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:06:47,859 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/sv-benchmarks/c/loop-industry-pattern/aiob_4_true-unreach-call.c.v+lhb-reducer.c [2018-11-23 02:06:47,867 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/data/aaf5f477f/b013fb628404475a8814f882a801e4fb/FLAG73409c6cd [2018-11-23 02:06:47,878 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/data/aaf5f477f/b013fb628404475a8814f882a801e4fb [2018-11-23 02:06:47,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:06:47,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:06:47,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:06:47,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:06:47,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:06:47,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:47" (1/1) ... [2018-11-23 02:06:47,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16069910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:47, skipping insertion in model container [2018-11-23 02:06:47,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:47" (1/1) ... [2018-11-23 02:06:47,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:06:47,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:06:48,110 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:06:48,117 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:06:48,217 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:06:48,227 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:06:48,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48 WrapperNode [2018-11-23 02:06:48,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:06:48,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:06:48,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:06:48,228 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:06:48,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:06:48,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:06:48,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:06:48,249 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:06:48,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... [2018-11-23 02:06:48,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:06:48,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:06:48,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:06:48,296 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:06:48,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/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 [2018-11-23 02:06:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 02:06:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-23 02:06:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:06:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:06:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:06:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:06:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:06:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:06:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:06:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:06:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:06:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:06:48,850 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:06:48,850 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 02:06:48,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:48 BoogieIcfgContainer [2018-11-23 02:06:48,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:06:48,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:06:48,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:06:48,854 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:06:48,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:06:47" (1/3) ... [2018-11-23 02:06:48,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9796c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:48, skipping insertion in model container [2018-11-23 02:06:48,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:48" (2/3) ... [2018-11-23 02:06:48,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9796c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:48, skipping insertion in model container [2018-11-23 02:06:48,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:48" (3/3) ... [2018-11-23 02:06:48,856 INFO L112 eAbstractionObserver]: Analyzing ICFG aiob_4_true-unreach-call.c.v+lhb-reducer.c [2018-11-23 02:06:48,862 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:06:48,868 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:06:48,877 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:06:48,897 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:06:48,898 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:06:48,898 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:06:48,898 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:06:48,898 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:06:48,898 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:06:48,898 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:06:48,898 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:06:48,898 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:06:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-11-23 02:06:48,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 02:06:48,917 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:48,917 INFO L402 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] [2018-11-23 02:06:48,919 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:48,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:48,924 INFO L82 PathProgramCache]: Analyzing trace with hash -898744449, now seen corresponding path program 1 times [2018-11-23 02:06:48,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:06:48,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:06:48,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:48,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:48,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:49,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:06:49,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-23 02:06:49,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 02:06:49,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 02:06:49,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2018-11-23 02:06:49,535 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 17 states. [2018-11-23 02:06:50,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:06:50,166 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2018-11-23 02:06:50,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 02:06:50,168 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 48 [2018-11-23 02:06:50,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:06:50,176 INFO L225 Difference]: With dead ends: 92 [2018-11-23 02:06:50,176 INFO L226 Difference]: Without dead ends: 57 [2018-11-23 02:06:50,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2018-11-23 02:06:50,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-23 02:06:50,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2018-11-23 02:06:50,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-23 02:06:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-11-23 02:06:50,211 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2018-11-23 02:06:50,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:06:50,211 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-11-23 02:06:50,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 02:06:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-11-23 02:06:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 02:06:50,213 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:50,213 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:06:50,213 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:50,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:50,214 INFO L82 PathProgramCache]: Analyzing trace with hash -187936361, now seen corresponding path program 1 times [2018-11-23 02:06:50,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:06:50,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:06:50,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:50,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:50,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:50,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:06:50,489 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:06:50,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:50,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:06:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:50,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:06:50,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 19 [2018-11-23 02:06:50,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 02:06:50,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 02:06:50,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:06:50,711 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 19 states. [2018-11-23 02:06:51,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:06:51,263 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-11-23 02:06:51,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 02:06:51,265 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 53 [2018-11-23 02:06:51,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:06:51,266 INFO L225 Difference]: With dead ends: 65 [2018-11-23 02:06:51,266 INFO L226 Difference]: Without dead ends: 62 [2018-11-23 02:06:51,267 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2018-11-23 02:06:51,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-23 02:06:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2018-11-23 02:06:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-23 02:06:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-11-23 02:06:51,273 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 53 [2018-11-23 02:06:51,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:06:51,274 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-11-23 02:06:51,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 02:06:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-11-23 02:06:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 02:06:51,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:51,275 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:06:51,275 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:51,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:51,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1969081983, now seen corresponding path program 2 times [2018-11-23 02:06:51,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:06:51,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:06:51,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:51,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:51,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:51,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:06:51,632 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:06:51,654 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 02:06:51,993 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 02:06:51,993 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:06:51,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:06:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:52,038 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:06:52,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 20 [2018-11-23 02:06:52,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 02:06:52,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 02:06:52,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2018-11-23 02:06:52,039 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 20 states. [2018-11-23 02:06:52,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:06:52,480 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-11-23 02:06:52,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 02:06:52,481 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 58 [2018-11-23 02:06:52,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:06:52,482 INFO L225 Difference]: With dead ends: 70 [2018-11-23 02:06:52,482 INFO L226 Difference]: Without dead ends: 67 [2018-11-23 02:06:52,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2018-11-23 02:06:52,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-23 02:06:52,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2018-11-23 02:06:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-23 02:06:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-11-23 02:06:52,487 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 58 [2018-11-23 02:06:52,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:06:52,487 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-11-23 02:06:52,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 02:06:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-11-23 02:06:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 02:06:52,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:52,489 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:06:52,489 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:52,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:52,489 INFO L82 PathProgramCache]: Analyzing trace with hash -868343145, now seen corresponding path program 3 times [2018-11-23 02:06:52,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:06:52,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:06:52,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:52,490 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 02:06:52,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:52,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:06:52,731 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:06:52,745 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 02:06:53,347 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-23 02:06:53,347 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 02:06:53,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:06:53,496 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-11-23 02:06:53,517 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 02:06:53,517 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 02:06:53,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:06:53,529 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-23 02:06:53,529 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 02:06:53,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:06:53,540 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:68, output treesize:34 [2018-11-23 02:06:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 02:06:53,637 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 02:06:53,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 9] total 27 [2018-11-23 02:06:53,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-23 02:06:53,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-23 02:06:53,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2018-11-23 02:06:53,638 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 27 states. [2018-11-23 02:06:55,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:06:55,049 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2018-11-23 02:06:55,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 02:06:55,049 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 63 [2018-11-23 02:06:55,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:06:55,050 INFO L225 Difference]: With dead ends: 72 [2018-11-23 02:06:55,050 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:06:55,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=313, Invalid=2339, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 02:06:55,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:06:55,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:06:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:06:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:06:55,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-11-23 02:06:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:06:55,052 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:06:55,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-23 02:06:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:06:55,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:06:55,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:06:55,186 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:06:55,186 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:06:55,187 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:06:55,187 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:06:55,187 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~Id_MCDC_93~0 9) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1))) [2018-11-23 02:06:55,187 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:06:55,187 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:06:55,187 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 134 634) no Hoare annotation was computed. [2018-11-23 02:06:55,187 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 568) no Hoare annotation was computed. [2018-11-23 02:06:55,187 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 586) no Hoare annotation was computed. [2018-11-23 02:06:55,187 INFO L448 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2018-11-23 02:06:55,187 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 592) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 563) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 551) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 569) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 575) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 546) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 465) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 134 634) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 534) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 552) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 633) no Hoare annotation was computed. [2018-11-23 02:06:55,188 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 558) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 134 634) the Hoare annotation is: (or (< 9 |old(~Id_MCDC_93~0)|) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0) (and (<= ~Id_MCDC_93~0 9) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)))) [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 529) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 517) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 535) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 541) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 631) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L362(lines 362 512) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 619) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L379(lines 379 500) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 518) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 524) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 614) no Hoare annotation was computed. [2018-11-23 02:06:55,189 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 478) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 495) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 602) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 620) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L444 ceAbstractionStarter]: At program point L446(lines 406 479) the Hoare annotation is: (let ((.cse2 (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296))) (let ((.cse0 (< .cse2 42)) (.cse1 (= |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0)) (.cse3 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492))))) (or (< 9 |old(~Id_MCDC_93~0)|) (let ((.cse4 (mod (+ main_~Id_MCDC_89__Id_MCDC_96~0 4294967295) 4294967296))) (and (not (= ~__tmp_1075_2~0.offset 492)) .cse0 .cse1 (not (= 492 (* 12 .cse2))) .cse3 (= (* 12 .cse4) ~__tmp_1075_2~0.offset) (< .cse4 42))) (and .cse0 .cse1 .cse3 (<= ~Id_MCDC_93~0 9) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (<= (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1) 0)))) [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 626) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 451) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 483) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 501) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 471) no Hoare annotation was computed. [2018-11-23 02:06:55,190 INFO L448 ceAbstractionStarter]: For program point L364(lines 364 507) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 597) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 585) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L216(lines 216 603) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 609) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 452) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 484) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L423(lines 423 473) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 490) no Hoare annotation was computed. [2018-11-23 02:06:55,191 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 580) no Hoare annotation was computed. [2018-11-23 02:06:55,198 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 02:06:55,199 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 02:06:55,204 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 02:06:55,204 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 02:06:55,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:06:55 BoogieIcfgContainer [2018-11-23 02:06:55,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:06:55,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:06:55,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:06:55,207 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:06:55,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:48" (3/4) ... [2018-11-23 02:06:55,212 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:06:55,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:06:55,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:06:55,228 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2018-11-23 02:06:55,229 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2018-11-23 02:06:55,230 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 02:06:55,231 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 02:06:55,231 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 02:06:55,232 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:06:55,234 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:06:55,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((9 < \old(Id_MCDC_93) || ((((((!(__tmp_1075_2 == 492) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && Id_MCDC_89__Id_MCDC_95 == 0) && !(492 == 12 * ((Id_MCDC_93 + 4294967295) % 4294967296))) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 12 * ((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296) == __tmp_1075_2) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42)) || (((((((Id_MCDC_93 + 4294967295) % 4294967296 < 42 && Id_MCDC_89__Id_MCDC_95 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 <= 9) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 9) && 9 <= Id_MCDC_89__Id_MCDC_96)) || \old(Id_MCDC_93) / 4294967296 + 1 <= 0 [2018-11-23 02:06:55,359 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c72034cc-1b77-40ed-86a7-3a108825ce7a/bin-2019/uautomizer/witness.graphml [2018-11-23 02:06:55,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:06:55,360 INFO L168 Benchmark]: Toolchain (without parser) took 7479.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:06:55,361 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:06:55,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:06:55,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.41 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:06:55,362 INFO L168 Benchmark]: Boogie Preprocessor took 46.28 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:06:55,362 INFO L168 Benchmark]: RCFGBuilder took 555.23 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: 113.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:06:55,362 INFO L168 Benchmark]: TraceAbstraction took 6355.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -163.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:06:55,363 INFO L168 Benchmark]: Witness Printer took 152.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:06:55,364 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.41 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.28 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 555.23 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: 113.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6355.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -163.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 152.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 465]: 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: 406]: Loop Invariant [2018-11-23 02:06:55,368 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 02:06:55,368 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 02:06:55,369 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 02:06:55,369 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((9 < \old(Id_MCDC_93) || ((((((!(__tmp_1075_2 == 492) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && Id_MCDC_89__Id_MCDC_95 == 0) && !(492 == 12 * ((Id_MCDC_93 + 4294967295) % 4294967296))) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 12 * ((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296) == __tmp_1075_2) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42)) || (((((((Id_MCDC_93 + 4294967295) % 4294967296 < 42 && Id_MCDC_89__Id_MCDC_95 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 <= 9) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 9) && 9 <= Id_MCDC_89__Id_MCDC_96)) || \old(Id_MCDC_93) / 4294967296 + 1 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 348 SDslu, 1026 SDs, 0 SdLazy, 3392 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 167 SyntacticMatches, 7 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 136 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 245 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 396 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 165511 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2494 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 13/76 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...