./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-sets/test_add-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-sets/test_add-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5341d071aa6667cc028bb6475d7fda061f87ccfc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:47:39,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:47:39,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:47:39,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:47:39,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:47:39,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:47:39,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:47:39,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:47:39,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:47:39,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:47:39,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:47:39,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:47:39,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:47:39,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:47:39,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:47:39,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:47:39,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:47:39,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:47:39,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:47:39,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:47:39,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:47:39,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:47:39,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:47:39,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:47:39,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:47:39,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:47:39,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:47:39,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:47:39,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:47:39,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:47:39,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:47:39,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:47:39,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:47:39,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:47:39,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:47:39,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:47:39,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:47:39,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:47:39,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:47:39,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:47:39,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:47:39,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:47:39,317 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:47:39,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:47:39,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:47:39,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:47:39,321 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:47:39,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:47:39,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:47:39,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:47:39,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:47:39,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:47:39,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:47:39,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:47:39,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:47:39,324 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:47:39,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:47:39,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:47:39,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:47:39,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:47:39,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:47:39,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:47:39,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:47:39,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:47:39,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:47:39,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:47:39,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:47:39,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:47:39,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:47:39,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:47:39,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:47:39,329 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5341d071aa6667cc028bb6475d7fda061f87ccfc [2020-10-20 00:47:39,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:47:39,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:47:39,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:47:39,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:47:39,602 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:47:39,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_add-2.i [2020-10-20 00:47:39,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b61a8441/983df91444254a408f95a090d6037c81/FLAG80dbcdde4 [2020-10-20 00:47:40,233 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:47:40,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-2.i [2020-10-20 00:47:40,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b61a8441/983df91444254a408f95a090d6037c81/FLAG80dbcdde4 [2020-10-20 00:47:40,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b61a8441/983df91444254a408f95a090d6037c81 [2020-10-20 00:47:40,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:47:40,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:47:40,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:47:40,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:47:40,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:47:40,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:47:40" (1/1) ... [2020-10-20 00:47:40,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5095fd3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:40, skipping insertion in model container [2020-10-20 00:47:40,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:47:40" (1/1) ... [2020-10-20 00:47:40,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:47:40,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:47:41,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:47:41,080 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:47:41,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:47:41,230 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:47:41,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41 WrapperNode [2020-10-20 00:47:41,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:47:41,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:47:41,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:47:41,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:47:41,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:47:41,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:47:41,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:47:41,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:47:41,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... [2020-10-20 00:47:41,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:47:41,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:47:41,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:47:41,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:47:41,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:47:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:47:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:47:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 00:47:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 00:47:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:47:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 00:47:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 00:47:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:47:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:47:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:47:41,903 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:47:41,903 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-20 00:47:41,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:47:41 BoogieIcfgContainer [2020-10-20 00:47:41,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:47:41,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:47:41,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:47:41,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:47:41,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:47:40" (1/3) ... [2020-10-20 00:47:41,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41af3aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:47:41, skipping insertion in model container [2020-10-20 00:47:41,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:47:41" (2/3) ... [2020-10-20 00:47:41,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41af3aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:47:41, skipping insertion in model container [2020-10-20 00:47:41,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:47:41" (3/3) ... [2020-10-20 00:47:41,916 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-10-20 00:47:41,931 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:47:41,941 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:47:41,953 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:47:41,975 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:47:41,975 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:47:41,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:47:41,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:47:41,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:47:41,976 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:47:41,976 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:47:41,976 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:47:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-20 00:47:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:47:41,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:47:41,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:47:41,994 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:47:41,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:47:41,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1732431771, now seen corresponding path program 1 times [2020-10-20 00:47:42,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:47:42,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591551625] [2020-10-20 00:47:42,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:47:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:47:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:47:42,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591551625] [2020-10-20 00:47:42,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:47:42,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:47:42,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892385390] [2020-10-20 00:47:42,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:47:42,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:47:42,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:47:42,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:47:42,183 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2020-10-20 00:47:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:47:42,201 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2020-10-20 00:47:42,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:47:42,203 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-10-20 00:47:42,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:47:42,214 INFO L225 Difference]: With dead ends: 48 [2020-10-20 00:47:42,214 INFO L226 Difference]: Without dead ends: 22 [2020-10-20 00:47:42,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:47:42,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-20 00:47:42,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-20 00:47:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-20 00:47:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-10-20 00:47:42,258 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2020-10-20 00:47:42,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:47:42,259 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-10-20 00:47:42,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:47:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-10-20 00:47:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:47:42,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:47:42,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:47:42,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:47:42,274 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:47:42,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:47:42,274 INFO L82 PathProgramCache]: Analyzing trace with hash 854163994, now seen corresponding path program 1 times [2020-10-20 00:47:42,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:47:42,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510845444] [2020-10-20 00:47:42,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:47:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:47:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:47:42,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510845444] [2020-10-20 00:47:42,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:47:42,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 00:47:42,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478141296] [2020-10-20 00:47:42,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:47:42,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:47:42,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:47:42,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:47:42,363 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2020-10-20 00:47:42,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:47:42,428 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2020-10-20 00:47:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:47:42,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-20 00:47:42,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:47:42,429 INFO L225 Difference]: With dead ends: 44 [2020-10-20 00:47:42,430 INFO L226 Difference]: Without dead ends: 34 [2020-10-20 00:47:42,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:47:42,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-20 00:47:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2020-10-20 00:47:42,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-20 00:47:42,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-10-20 00:47:42,437 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 13 [2020-10-20 00:47:42,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:47:42,437 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-20 00:47:42,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:47:42,438 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-10-20 00:47:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:47:42,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:47:42,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:47:42,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:47:42,439 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:47:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:47:42,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1167630684, now seen corresponding path program 1 times [2020-10-20 00:47:42,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:47:42,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807421359] [2020-10-20 00:47:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:47:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:47:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:47:42,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807421359] [2020-10-20 00:47:42,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:47:42,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:47:42,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830331846] [2020-10-20 00:47:42,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:47:42,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:47:42,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:47:42,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:47:42,536 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2020-10-20 00:47:42,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:47:42,641 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2020-10-20 00:47:42,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:47:42,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-20 00:47:42,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:47:42,643 INFO L225 Difference]: With dead ends: 47 [2020-10-20 00:47:42,644 INFO L226 Difference]: Without dead ends: 25 [2020-10-20 00:47:42,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:47:42,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-20 00:47:42,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2020-10-20 00:47:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-20 00:47:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-20 00:47:42,655 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 13 [2020-10-20 00:47:42,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:47:42,656 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-20 00:47:42,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:47:42,656 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-20 00:47:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 00:47:42,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:47:42,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:47:42,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 00:47:42,658 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:47:42,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:47:42,659 INFO L82 PathProgramCache]: Analyzing trace with hash -456502492, now seen corresponding path program 1 times [2020-10-20 00:47:42,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:47:42,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251258611] [2020-10-20 00:47:42,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:47:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:47:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:47:42,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251258611] [2020-10-20 00:47:42,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:47:42,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 00:47:42,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930587368] [2020-10-20 00:47:42,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:47:42,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:47:42,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:47:42,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:47:42,861 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2020-10-20 00:47:43,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:47:43,020 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-20 00:47:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 00:47:43,021 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-10-20 00:47:43,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:47:43,022 INFO L225 Difference]: With dead ends: 34 [2020-10-20 00:47:43,022 INFO L226 Difference]: Without dead ends: 28 [2020-10-20 00:47:43,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 00:47:43,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-20 00:47:43,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2020-10-20 00:47:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-20 00:47:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-20 00:47:43,029 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17 [2020-10-20 00:47:43,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:47:43,029 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-20 00:47:43,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:47:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-10-20 00:47:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 00:47:43,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:47:43,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:47:43,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 00:47:43,031 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:47:43,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:47:43,031 INFO L82 PathProgramCache]: Analyzing trace with hash -406632358, now seen corresponding path program 1 times [2020-10-20 00:47:43,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:47:43,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500552744] [2020-10-20 00:47:43,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:47:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:47:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:47:43,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500552744] [2020-10-20 00:47:43,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:47:43,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 00:47:43,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984367305] [2020-10-20 00:47:43,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:47:43,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:47:43,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:47:43,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:47:43,108 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2020-10-20 00:47:43,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:47:43,143 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-10-20 00:47:43,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:47:43,144 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-20 00:47:43,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:47:43,145 INFO L225 Difference]: With dead ends: 26 [2020-10-20 00:47:43,145 INFO L226 Difference]: Without dead ends: 21 [2020-10-20 00:47:43,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:47:43,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-20 00:47:43,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-20 00:47:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-20 00:47:43,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-20 00:47:43,157 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2020-10-20 00:47:43,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:47:43,158 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-20 00:47:43,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:47:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-20 00:47:43,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 00:47:43,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:47:43,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:47:43,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 00:47:43,159 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:47:43,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:47:43,160 INFO L82 PathProgramCache]: Analyzing trace with hash -245998926, now seen corresponding path program 1 times [2020-10-20 00:47:43,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:47:43,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576066958] [2020-10-20 00:47:43,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:47:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:47:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:47:43,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576066958] [2020-10-20 00:47:43,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:47:43,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-20 00:47:43,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198948298] [2020-10-20 00:47:43,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:47:43,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:47:43,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:47:43,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:47:43,523 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2020-10-20 00:47:43,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:47:43,767 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-10-20 00:47:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 00:47:43,767 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-10-20 00:47:43,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:47:43,768 INFO L225 Difference]: With dead ends: 22 [2020-10-20 00:47:43,768 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:47:43,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-20 00:47:43,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:47:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:47:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:47:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:47:43,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-20 00:47:43,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:47:43,771 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:47:43,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:47:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:47:43,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:47:43,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 00:47:43,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:47:43,957 INFO L274 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2020-10-20 00:47:43,958 INFO L274 CegarLoopResult]: For program point L663(lines 663 668) no Hoare annotation was computed. [2020-10-20 00:47:43,958 INFO L274 CegarLoopResult]: For program point L564(lines 564 566) no Hoare annotation was computed. [2020-10-20 00:47:43,958 INFO L274 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-10-20 00:47:43,958 INFO L277 CegarLoopResult]: At program point L672(lines 669 673) the Hoare annotation is: true [2020-10-20 00:47:43,959 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:47:43,959 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:47:43,959 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:47:43,959 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 562) no Hoare annotation was computed. [2020-10-20 00:47:43,960 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-20 00:47:43,960 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2020-10-20 00:47:43,960 INFO L270 CegarLoopResult]: At program point L652-3(lines 652 656) the Hoare annotation is: (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| 0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) [2020-10-20 00:47:43,960 INFO L274 CegarLoopResult]: For program point L652-4(lines 652 656) no Hoare annotation was computed. [2020-10-20 00:47:43,960 INFO L274 CegarLoopResult]: For program point L652-7(lines 652 656) no Hoare annotation was computed. [2020-10-20 00:47:43,961 INFO L270 CegarLoopResult]: At program point L652-8(lines 652 656) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (.cse1 (+ |~#s1~0.offset| 4)) (.cse0 (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (not (= |~#s1~0.base| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (not (= |~#s1~0.base| .cse0)) (<= .cse1 .cse2) (<= .cse2 .cse1) (= (select |#valid| |~#s1~0.base|) 1) (= (select (select |#memory_int| ULTIMATE.start_ldv_is_in_set_~m~1.base) ULTIMATE.start_ldv_is_in_set_~m~1.offset) ULTIMATE.start_ldv_is_in_set_~e) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (not (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base)) (= |~#s1~0.offset| 0) (= (select (select |#memory_int| .cse0) |~#s1~0.offset|) ULTIMATE.start_foo_~j~0))) [2020-10-20 00:47:43,961 INFO L274 CegarLoopResult]: For program point L652-9(lines 652 656) no Hoare annotation was computed. [2020-10-20 00:47:43,961 INFO L270 CegarLoopResult]: At program point L578(lines 575 579) the Hoare annotation is: (and (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| 0) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= ULTIMATE.start_ldv_successful_malloc_~ptr~0.offset 0) (= |ULTIMATE.start_ldv_successful_malloc_#res.offset| 0) (= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (not (= ULTIMATE.start_ldv_set_add_~s.base |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) [2020-10-20 00:47:43,961 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:47:43,961 INFO L274 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2020-10-20 00:47:43,962 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-20 00:47:43,962 INFO L270 CegarLoopResult]: At program point L657(lines 650 658) the Hoare annotation is: (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (= |ULTIMATE.start_ldv_is_in_set_#res| 0) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| 0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) [2020-10-20 00:47:43,963 INFO L270 CegarLoopResult]: At program point L657-1(lines 650 658) the Hoare annotation is: (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= |ULTIMATE.start_ldv_is_in_set_#res| 1) (not (= |~#s1~0.base| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (not (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (= (select |#valid| |~#s1~0.base|) 1) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base))) [2020-10-20 00:47:43,963 INFO L274 CegarLoopResult]: For program point L562-2(line 562) no Hoare annotation was computed. [2020-10-20 00:47:43,963 INFO L274 CegarLoopResult]: For program point L562-3(line 562) no Hoare annotation was computed. [2020-10-20 00:47:43,963 INFO L274 CegarLoopResult]: For program point L653(lines 653 655) no Hoare annotation was computed. [2020-10-20 00:47:43,964 INFO L274 CegarLoopResult]: For program point L653-1(lines 653 655) no Hoare annotation was computed. [2020-10-20 00:47:43,964 INFO L274 CegarLoopResult]: For program point L633(lines 633 638) no Hoare annotation was computed. [2020-10-20 00:47:43,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:43,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:43,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:43,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:43,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:47:43,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:47:43,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:43,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:43,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:43,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:43,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:47:43,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:47:43,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:43,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:43,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:43,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:43,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:43,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:44,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:44,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:44,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:44,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:44,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:47:44 BoogieIcfgContainer [2020-10-20 00:47:44,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:47:44,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:47:44,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:47:44,032 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:47:44,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:47:41" (3/4) ... [2020-10-20 00:47:44,045 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:47:44,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-20 00:47:44,069 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 00:47:44,069 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:47:44,069 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:47:44,095 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((s1 == s && s1 == #memory_$Pointer$[s1][s1]) && m == s) && m + 4 == s) && \valid[s1] == 1) && \result == 0) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && unknown-#StackHeapBarrier-unknown + 1 <= s1 [2020-10-20 00:47:44,096 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((s1 == s && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && s1 + 4 <= #memory_$Pointer$[s1][s1]) && #memory_$Pointer$[s1][s1] <= s1 + 4) && \valid[s1] == 1) && unknown-#memory_int-unknown[m][m] == e) && s1 == s) && !(s1 == ptr)) && !(m == s)) && s1 == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s1][s1]][s1] == j [2020-10-20 00:47:44,096 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((s1 == #memory_$Pointer$[s1][s1] && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && s1 == s) && m == s) && ptr == 0) && \result == 0) && m + 4 == s) && \valid[s1] == 1) && !(s1 == ptr)) && !(s == \result)) && unknown-#StackHeapBarrier-unknown + 1 <= s1 [2020-10-20 00:47:44,096 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((s1 == s && \result == 1) && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && \valid[s1] == 1) && s1 == s) && !(s1 == ptr) [2020-10-20 00:47:44,133 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:47:44,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:47:44,136 INFO L168 Benchmark]: Toolchain (without parser) took 3563.97 ms. Allocated memory was 41.9 MB in the beginning and 57.7 MB in the end (delta: 15.7 MB). Free memory was 18.7 MB in the beginning and 19.6 MB in the end (delta: -949.6 kB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:47:44,137 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 32.0 MB. Free memory was 9.1 MB in the beginning and 9.1 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:47:44,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.26 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 17.8 MB in the beginning and 20.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:47:44,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.79 ms. Allocated memory is still 44.0 MB. Free memory was 20.2 MB in the beginning and 17.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:47:44,139 INFO L168 Benchmark]: Boogie Preprocessor took 54.19 ms. Allocated memory is still 44.0 MB. Free memory was 17.6 MB in the beginning and 15.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:47:44,139 INFO L168 Benchmark]: RCFGBuilder took 562.95 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 15.8 MB in the beginning and 29.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:47:44,140 INFO L168 Benchmark]: TraceAbstraction took 2124.69 ms. Allocated memory was 47.2 MB in the beginning and 57.7 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 24.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:47:44,140 INFO L168 Benchmark]: Witness Printer took 101.77 ms. Allocated memory is still 57.7 MB. Free memory was 24.3 MB in the beginning and 19.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:47:44,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 32.0 MB. Free memory was 9.1 MB in the beginning and 9.1 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 656.26 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 17.8 MB in the beginning and 20.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 54.79 ms. Allocated memory is still 44.0 MB. Free memory was 20.2 MB in the beginning and 17.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 54.19 ms. Allocated memory is still 44.0 MB. Free memory was 17.6 MB in the beginning and 15.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 562.95 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 15.8 MB in the beginning and 29.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2124.69 ms. Allocated memory was 47.2 MB in the beginning and 57.7 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 24.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 14.3 GB. * Witness Printer took 101.77 ms. Allocated memory is still 57.7 MB. Free memory was 24.3 MB in the beginning and 19.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 562]: 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: 652]: Loop Invariant [2020-10-20 00:47:44,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:47:44,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:47:44,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:47:44,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 00:47:44,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((s1 == s && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && s1 + 4 <= #memory_$Pointer$[s1][s1]) && #memory_$Pointer$[s1][s1] <= s1 + 4) && \valid[s1] == 1) && unknown-#memory_int-unknown[m][m] == e) && s1 == s) && !(s1 == ptr)) && !(m == s)) && s1 == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s1][s1]][s1] == j - InvariantResult [Line: 652]: Loop Invariant [2020-10-20 00:47:44,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:44,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((s1 == s && s1 == #memory_$Pointer$[s1][s1]) && m == s) && m + 4 == s) && \valid[s1] == 1) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 575]: Loop Invariant [2020-10-20 00:47:44,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:44,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((((((s1 == #memory_$Pointer$[s1][s1] && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && s1 == s) && m == s) && ptr == 0) && \result == 0) && m + 4 == s) && \valid[s1] == 1) && !(s1 == ptr)) && !(s == \result)) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 650]: Loop Invariant [2020-10-20 00:47:44,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-20 00:47:44,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-20 00:47:44,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((((((((s1 == s && s1 == #memory_$Pointer$[s1][s1]) && m == s) && m + 4 == s) && \valid[s1] == 1) && \result == 0) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 650]: Loop Invariant [2020-10-20 00:47:44,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-20 00:47:44,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-20 00:47:44,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((s1 == s && \result == 1) && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && \valid[s1] == 1) && s1 == s) && !(s1 == ptr) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 112 SDtfs, 157 SDslu, 136 SDs, 0 SdLazy, 95 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 255 HoareAnnotationTreeSize, 6 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 8160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...