java -ea -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test30_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:54:45,962 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:54:45,965 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:54:45,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:54:45,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:54:45,978 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:54:45,980 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:54:45,981 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:54:45,983 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:54:45,984 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:54:45,985 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:54:45,985 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:54:45,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:54:45,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:54:45,988 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:54:45,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:54:45,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:54:45,991 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:54:45,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:54:45,995 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:54:45,996 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:54:45,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:54:46,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:54:46,001 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:54:46,001 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:54:46,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:54:46,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:54:46,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:54:46,004 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:54:46,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:54:46,006 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:54:46,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:54:46,007 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:54:46,007 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:54:46,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:54:46,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:54:46,009 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:54:46,037 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:54:46,037 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:54:46,038 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:54:46,038 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:54:46,039 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:54:46,039 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:54:46,039 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:54:46,039 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:54:46,040 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:54:46,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:54:46,040 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:54:46,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:54:46,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:54:46,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:54:46,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:54:46,041 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:54:46,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:54:46,041 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:54:46,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:54:46,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:54:46,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:54:46,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:54:46,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:54:46,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:54:46,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:54:46,043 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:54:46,043 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:54:46,043 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:54:46,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:54:46,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:54:46,044 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:54:46,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:54:46,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:54:46,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:54:46,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:54:46,130 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:54:46,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30_true-unreach-call_true-termination.c [2018-11-23 12:54:46,203 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a40ff2db/226e8386521e4ce2b51c449c4a68624c/FLAG863a042d5 [2018-11-23 12:54:46,664 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:54:46,665 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30_true-unreach-call_true-termination.c [2018-11-23 12:54:46,672 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a40ff2db/226e8386521e4ce2b51c449c4a68624c/FLAG863a042d5 [2018-11-23 12:54:47,036 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a40ff2db/226e8386521e4ce2b51c449c4a68624c [2018-11-23 12:54:47,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:54:47,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:54:47,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:47,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:54:47,052 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:54:47,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0950d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47, skipping insertion in model container [2018-11-23 12:54:47,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:54:47,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:54:47,362 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:47,381 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:54:47,403 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:54:47,434 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:54:47,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47 WrapperNode [2018-11-23 12:54:47,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:54:47,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:47,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:54:47,436 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:54:47,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:54:47,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:54:47,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:54:47,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:54:47,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (1/1) ... [2018-11-23 12:54:47,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:54:47,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:54:47,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:54:47,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:54:47,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (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 [2018-11-23 12:54:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 12:54:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 12:54:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:54:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:54:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:54:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:54:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:54:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:54:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:54:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:54:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:54:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:54:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2018-11-23 12:54:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2018-11-23 12:54:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2018-11-23 12:54:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2018-11-23 12:54:48,152 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:54:48,153 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:54:48,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:48 BoogieIcfgContainer [2018-11-23 12:54:48,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:54:48,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:54:48,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:54:48,158 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:54:48,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:54:47" (1/3) ... [2018-11-23 12:54:48,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6d22e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:48, skipping insertion in model container [2018-11-23 12:54:48,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:47" (2/3) ... [2018-11-23 12:54:48,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6d22e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:54:48, skipping insertion in model container [2018-11-23 12:54:48,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:48" (3/3) ... [2018-11-23 12:54:48,162 INFO L112 eAbstractionObserver]: Analyzing ICFG test30_true-unreach-call_true-termination.c [2018-11-23 12:54:48,174 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:54:48,183 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:54:48,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:54:48,248 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:54:48,249 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:54:48,250 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:54:48,250 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:54:48,250 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:54:48,251 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:54:48,251 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:54:48,251 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:54:48,251 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:54:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-23 12:54:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 12:54:48,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:54:48,279 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:54:48,282 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:54:48,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:54:48,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2098592588, now seen corresponding path program 1 times [2018-11-23 12:54:48,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:54:48,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:54:48,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:48,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:54:48,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:54:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:54:48,861 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-11-23 12:54:49,279 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-11-23 12:54:50,192 INFO L256 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {26#true} is VALID [2018-11-23 12:54:50,211 INFO L273 TraceCheckUtils]: 1: Hoare triple {26#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(4);call write~init~int(1, ~#a~0.base, ~#a~0.offset, 4);call ~#b~0.base, ~#b~0.offset := #Ultimate.alloc(4);call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4);call ~#global~0.base, ~#global~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(~#a~0.base, ~#a~0.offset, ~#global~0.base, ~#global~0.offset, 4);call write~init~$Pointer$(~#b~0.base, ~#b~0.offset, ~#global~0.base, 4 + ~#global~0.offset, 4); {28#(and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4))) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} is VALID [2018-11-23 12:54:50,213 INFO L273 TraceCheckUtils]: 2: Hoare triple {28#(and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4))) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} assume true; {28#(and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4))) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} is VALID [2018-11-23 12:54:50,216 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {28#(and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4))) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} {26#true} #23#return; {28#(and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4))) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} is VALID [2018-11-23 12:54:50,218 INFO L256 TraceCheckUtils]: 4: Hoare triple {28#(and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4))) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} call #t~ret5 := main(); {28#(and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4))) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} is VALID [2018-11-23 12:54:50,222 INFO L273 TraceCheckUtils]: 5: Hoare triple {28#(and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4))) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; {29#(and (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset)) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) (+ main_~pd~0.offset 4))) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) (+ main_~pd~0.offset 4))))} is VALID [2018-11-23 12:54:50,229 INFO L256 TraceCheckUtils]: 6: Hoare triple {29#(and (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset)) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) (+ main_~pd~0.offset 4))) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) (+ main_~pd~0.offset 4))))} call assign2(~pd~0.base, ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); {30#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 12:54:50,230 INFO L273 TraceCheckUtils]: 7: Hoare triple {30#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~pa.base, ~pa.offset, 4);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~pb.base, ~pb.offset, 4); {31#(and (= |assign2_#t~mem1.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |assign2_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_int| |old(#memory_int)|) (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#t~mem1.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 12:54:50,248 INFO L256 TraceCheckUtils]: 8: Hoare triple {31#(and (= |assign2_#t~mem1.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |assign2_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_int| |old(#memory_int)|) (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#t~mem1.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call assign(#t~mem1.base, #t~mem1.offset, #t~mem2.base, #t~mem2.offset); {32#(= |#memory_int| |old(#memory_int)|)} is VALID [2018-11-23 12:54:50,266 INFO L273 TraceCheckUtils]: 9: Hoare triple {32#(= |#memory_int| |old(#memory_int)|)} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; {33#(and (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (or (= (@diff |old(#memory_int)| |#memory_int|) |assign_#in~pa.base|) (= |#memory_int| |old(#memory_int)|)))} is VALID [2018-11-23 12:54:50,267 INFO L273 TraceCheckUtils]: 10: Hoare triple {33#(and (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (or (= (@diff |old(#memory_int)| |#memory_int|) |assign_#in~pa.base|) (= |#memory_int| |old(#memory_int)|)))} assume true; {33#(and (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (or (= (@diff |old(#memory_int)| |#memory_int|) |assign_#in~pa.base|) (= |#memory_int| |old(#memory_int)|)))} is VALID [2018-11-23 12:54:50,271 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {33#(and (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (or (= (@diff |old(#memory_int)| |#memory_int|) |assign_#in~pa.base|) (= |#memory_int| |old(#memory_int)|)))} {31#(and (= |assign2_#t~mem1.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |assign2_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_int| |old(#memory_int)|) (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#t~mem1.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} #29#return; {34#(and (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|))) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))))} is VALID [2018-11-23 12:54:50,274 INFO L273 TraceCheckUtils]: 12: Hoare triple {34#(and (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|))) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))))} havoc #t~mem1.base, #t~mem1.offset;havoc #t~mem2.base, #t~mem2.offset; {34#(and (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|))) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))))} is VALID [2018-11-23 12:54:50,291 INFO L273 TraceCheckUtils]: 13: Hoare triple {34#(and (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|))) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))))} assume true; {34#(and (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|))) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))))} is VALID [2018-11-23 12:54:50,298 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {34#(and (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_int)| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) |assign2_#in~pb.offset|))) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (or (= |#memory_int| |old(#memory_int)|) (= (@diff |old(#memory_int)| |#memory_int|) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))))} {29#(and (= |~#a~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset)) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) (+ main_~pd~0.offset 4))) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) (+ main_~pd~0.offset 4))))} #27#return; {35#(= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))} is VALID [2018-11-23 12:54:50,300 INFO L273 TraceCheckUtils]: 15: Hoare triple {35#(= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))} call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset, 4);call #t~mem4 := read~int(~#b~0.base, ~#b~0.offset, 4); {36#(= |main_#t~mem4| |main_#t~mem3|)} is VALID [2018-11-23 12:54:50,300 INFO L273 TraceCheckUtils]: 16: Hoare triple {36#(= |main_#t~mem4| |main_#t~mem3|)} assume #t~mem3 != #t~mem4;havoc #t~mem4;havoc #t~mem3; {27#false} is VALID [2018-11-23 12:54:50,301 INFO L273 TraceCheckUtils]: 17: Hoare triple {27#false} assume !false; {27#false} is VALID [2018-11-23 12:54:50,309 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 12:54:50,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:54:50,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 12:54:50,318 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-11-23 12:54:50,320 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:54:50,324 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2018-11-23 12:54:50,419 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:50,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 12:54:50,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 12:54:50,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 12:54:50,430 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 11 states. [2018-11-23 12:54:51,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:51,681 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-11-23 12:54:51,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 12:54:51,682 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-11-23 12:54:51,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:54:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-23 12:54:51,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 26 transitions. [2018-11-23 12:54:51,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-23 12:54:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 26 transitions. [2018-11-23 12:54:51,701 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 26 transitions. [2018-11-23 12:54:51,820 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:54:51,827 INFO L225 Difference]: With dead ends: 27 [2018-11-23 12:54:51,827 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:54:51,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-11-23 12:54:51,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:54:51,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:54:51,856 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:54:51,856 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:51,857 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:51,857 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:51,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:51,857 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:51,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:51,858 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:51,858 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:51,858 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:54:51,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:54:51,859 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:54:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:51,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:51,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:54:51,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:54:51,860 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:54:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:54:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:54:51,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-11-23 12:54:51,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:54:51,862 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:54:51,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 12:54:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:54:51,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:54:51,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:54:52,472 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2018-11-23 12:54:52,507 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:52,508 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:52,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:52,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:54:52,508 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse1 (+ |~#global~0.offset| 4)) (.cse2 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse0 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= |~#b~0.base| (select .cse0 .cse1)) (= |~#b~0.offset| (select .cse2 .cse1)) (not (= |~#a~0.base| |~#b~0.base|)) (= |~#a~0.offset| (select .cse2 |~#global~0.offset|)) (= |~#a~0.base| (select .cse0 |~#global~0.offset|)))) [2018-11-23 12:54:52,509 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:54:52,509 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:54:52,509 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-11-23 12:54:52,509 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 19 33) no Hoare annotation was computed. [2018-11-23 12:54:52,509 INFO L444 ceAbstractionStarter]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-11-23 12:54:52,510 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 27) no Hoare annotation was computed. [2018-11-23 12:54:52,510 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 19 33) no Hoare annotation was computed. [2018-11-23 12:54:52,510 INFO L444 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse5 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (let ((.cse2 (select |#memory_$Pointer$.offset| main_~pd~0.base)) (.cse3 (select |#memory_$Pointer$.base| main_~pd~0.base)) (.cse4 (+ main_~pd~0.offset 4))) (and (= |~#a~0.offset| (select .cse2 main_~pd~0.offset)) (= |~#a~0.base| (select .cse3 main_~pd~0.offset)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |~#b~0.offset| (select .cse2 .cse4)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |~#b~0.base| (select .cse3 .cse4)))) (not (= |~#a~0.base| (select .cse5 |~#global~0.offset|))) (not (= (select .cse5 .cse1) |~#b~0.base|)))) [2018-11-23 12:54:52,511 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-11-23 12:54:52,511 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-11-23 12:54:52,511 INFO L444 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (and (= |assign2_#t~mem1.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |assign2_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_int| |old(#memory_int)|) (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) |assign2_#in~pb.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#t~mem1.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-11-23 12:54:52,511 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-11-23 12:54:52,511 INFO L448 ceAbstractionStarter]: For program point assign2FINAL(lines 14 17) no Hoare annotation was computed. [2018-11-23 12:54:52,512 INFO L444 ceAbstractionStarter]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-11-23 12:54:52,512 INFO L448 ceAbstractionStarter]: For program point assign2EXIT(lines 14 17) no Hoare annotation was computed. [2018-11-23 12:54:52,512 INFO L448 ceAbstractionStarter]: For program point assignEXIT(lines 9 12) no Hoare annotation was computed. [2018-11-23 12:54:52,513 INFO L444 ceAbstractionStarter]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2018-11-23 12:54:52,513 INFO L448 ceAbstractionStarter]: For program point assignFINAL(lines 9 12) no Hoare annotation was computed. [2018-11-23 12:54:52,514 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:52,525 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2018-11-23 12:54:52,525 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:54:52,526 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:52,527 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2018-11-23 12:54:52,529 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2018-11-23 12:54:52,532 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2018-11-23 12:54:52,532 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:54:52,533 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:54:52,533 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2018-11-23 12:54:52,533 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2018-11-23 12:54:52,533 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2018-11-23 12:54:52,533 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2018-11-23 12:54:52,534 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2018-11-23 12:54:52,534 WARN L170 areAnnotationChecker]: assign2FINAL has no Hoare annotation [2018-11-23 12:54:52,534 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:54:52,534 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:52,535 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:54:52,535 WARN L170 areAnnotationChecker]: assign2EXIT has no Hoare annotation [2018-11-23 12:54:52,535 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:54:52,535 INFO L163 areAnnotationChecker]: CFG has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 12:54:52,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 12:54:52,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 12:54:52,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 12:54:52,543 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 12:54:52,545 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,546 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,546 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,546 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,549 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 12:54:52,549 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 12:54:52,550 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 12:54:52,550 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 12:54:52,551 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,551 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,552 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,552 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:54:52 BoogieIcfgContainer [2018-11-23 12:54:52,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:54:52,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:54:52,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:54:52,556 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:54:52,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:48" (3/4) ... [2018-11-23 12:54:52,561 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:54:52,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:54:52,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:54:52,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assign2 [2018-11-23 12:54:52,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assign [2018-11-23 12:54:52,572 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-23 12:54:52,573 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 12:54:52,573 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:54:52,602 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(#memory_$Pointer$)[global][global + 4] == b) || a == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) [2018-11-23 12:54:52,627 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test30_true-unreach-call_true-termination.c-witness.graphml [2018-11-23 12:54:52,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:54:52,628 INFO L168 Benchmark]: Toolchain (without parser) took 5581.79 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -438.3 MB). Peak memory consumption was 274.7 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:52,629 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:52,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:52,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:52,631 INFO L168 Benchmark]: Boogie Preprocessor took 44.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:52,632 INFO L168 Benchmark]: RCFGBuilder took 640.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:52,632 INFO L168 Benchmark]: TraceAbstraction took 4400.71 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 307.2 MB). Peak memory consumption was 307.2 MB. Max. memory is 7.1 GB. [2018-11-23 12:54:52,633 INFO L168 Benchmark]: Witness Printer took 71.50 ms. Allocated memory is still 2.2 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:54:52,637 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 387.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 31.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 640.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4400.71 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 307.2 MB). Peak memory consumption was 307.2 MB. Max. memory is 7.1 GB. * Witness Printer took 71.50 ms. Allocated memory is still 2.2 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$ - 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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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: 20]: Loop Invariant [2018-11-23 12:54:52,646 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 12:54:52,647 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 12:54:52,647 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 12:54:52,647 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 12:54:52,648 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,648 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,649 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,649 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,649 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 12:54:52,650 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 12:54:52,650 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 12:54:52,651 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 12:54:52,651 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,652 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,652 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 12:54:52,652 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((!(\old(#memory_$Pointer$)[global][global + 4] == b) || a == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 14 SDslu, 38 SDs, 0 SdLazy, 89 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 389 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 189 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 8109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...