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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test18_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 23:47:05,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 23:47:05,101 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 23:47:05,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 23:47:05,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 23:47:05,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 23:47:05,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 23:47:05,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 23:47:05,129 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 23:47:05,131 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 23:47:05,135 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 23:47:05,135 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 23:47:05,136 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 23:47:05,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 23:47:05,141 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 23:47:05,142 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 23:47:05,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 23:47:05,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 23:47:05,153 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 23:47:05,155 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 23:47:05,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 23:47:05,157 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 23:47:05,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-18 23:47:05,170 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 23:47:05,171 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 23:47:05,172 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 23:47:05,172 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 23:47:05,173 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 [2018-11-18 23:47:05,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 23:47:05,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 23:47:05,206 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 23:47:05,206 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 23:47:05,208 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 23:47:05,208 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 23:47:05,208 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 23:47:05,209 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 23:47:05,209 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 23:47:05,209 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 23:47:05,209 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 23:47:05,211 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 23:47:05,211 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 23:47:05,211 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 23:47:05,211 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 23:47:05,211 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 23:47:05,212 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 23:47:05,212 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 23:47:05,212 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 23:47:05,212 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 23:47:05,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 23:47:05,214 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 23:47:05,214 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 23:47:05,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 23:47:05,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 23:47:05,215 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 23:47:05,215 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 23:47:05,215 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 23:47:05,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 23:47:05,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 23:47:05,216 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 23:47:05,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 23:47:05,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 23:47:05,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 23:47:05,310 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 23:47:05,311 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 23:47:05,311 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18_true-unreach-call_true-termination.c [2018-11-18 23:47:05,378 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c5c0405c/d8b08d9ab43f4096ae9934021bfb81b9/FLAGd55448866 [2018-11-18 23:47:05,868 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 23:47:05,869 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18_true-unreach-call_true-termination.c [2018-11-18 23:47:05,875 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c5c0405c/d8b08d9ab43f4096ae9934021bfb81b9/FLAGd55448866 [2018-11-18 23:47:06,218 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c5c0405c/d8b08d9ab43f4096ae9934021bfb81b9 [2018-11-18 23:47:06,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 23:47:06,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 23:47:06,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 23:47:06,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 23:47:06,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 23:47:06,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356448b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06, skipping insertion in model container [2018-11-18 23:47:06,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 23:47:06,272 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 23:47:06,469 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:47:06,486 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 23:47:06,507 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:47:06,534 INFO L195 MainTranslator]: Completed translation [2018-11-18 23:47:06,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06 WrapperNode [2018-11-18 23:47:06,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 23:47:06,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 23:47:06,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 23:47:06,536 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 23:47:06,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (1/1) ... [2018-11-18 23:47:06,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 23:47:06,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 23:47:06,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 23:47:06,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 23:47:06,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (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 [2018-11-18 23:47:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 23:47:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 23:47:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-18 23:47:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-18 23:47:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 23:47:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 23:47:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-18 23:47:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 23:47:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 23:47:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-18 23:47:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 23:47:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 23:47:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 23:47:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 23:47:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 23:47:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 23:47:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 23:47:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 23:47:07,193 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 23:47:07,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:47:07 BoogieIcfgContainer [2018-11-18 23:47:07,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 23:47:07,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 23:47:07,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 23:47:07,198 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 23:47:07,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:47:06" (1/3) ... [2018-11-18 23:47:07,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c06abdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:47:07, skipping insertion in model container [2018-11-18 23:47:07,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:06" (2/3) ... [2018-11-18 23:47:07,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c06abdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:47:07, skipping insertion in model container [2018-11-18 23:47:07,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:47:07" (3/3) ... [2018-11-18 23:47:07,202 INFO L112 eAbstractionObserver]: Analyzing ICFG test18_true-unreach-call_true-termination.c [2018-11-18 23:47:07,212 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 23:47:07,220 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 23:47:07,237 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 23:47:07,268 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 23:47:07,269 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 23:47:07,269 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 23:47:07,269 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 23:47:07,269 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 23:47:07,270 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 23:47:07,270 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 23:47:07,270 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 23:47:07,270 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 23:47:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-18 23:47:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 23:47:07,295 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:47:07,296 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:47:07,299 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:47:07,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:47:07,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1791314138, now seen corresponding path program 1 times [2018-11-18 23:47:07,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:47:07,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:47:07,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:47:07,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:47:07,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:47:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:47:08,067 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-11-18 23:47:08,184 INFO L256 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {26#true} is VALID [2018-11-18 23:47:08,187 INFO L273 TraceCheckUtils]: 1: Hoare triple {26#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {26#true} is VALID [2018-11-18 23:47:08,188 INFO L273 TraceCheckUtils]: 2: Hoare triple {26#true} assume true; {26#true} is VALID [2018-11-18 23:47:08,188 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {26#true} {26#true} #27#return; {26#true} is VALID [2018-11-18 23:47:08,189 INFO L256 TraceCheckUtils]: 4: Hoare triple {26#true} call #t~ret3 := main(); {26#true} is VALID [2018-11-18 23:47:08,189 INFO L273 TraceCheckUtils]: 5: Hoare triple {26#true} call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(4);call ~#b~0.base, ~#b~0.offset := #Ultimate.alloc(4); {26#true} is VALID [2018-11-18 23:47:08,189 INFO L256 TraceCheckUtils]: 6: Hoare triple {26#true} call f(~#a~0.base, ~#a~0.offset, ~#b~0.base, ~#b~0.offset); {26#true} is VALID [2018-11-18 23:47:08,208 INFO L273 TraceCheckUtils]: 7: Hoare triple {26#true} call ~#pa.base, ~#pa.offset := #Ultimate.alloc(4);call write~$Pointer$(#in~pa.base, #in~pa.offset, ~#pa.base, ~#pa.offset, 4);call ~#pb.base, ~#pb.offset := #Ultimate.alloc(4);call write~$Pointer$(#in~pb.base, #in~pb.offset, ~#pb.base, ~#pb.offset, 4); {28#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} is VALID [2018-11-18 23:47:08,224 INFO L256 TraceCheckUtils]: 8: Hoare triple {28#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} call g(~#pa.base, ~#pa.offset, ~#pb.base, ~#pb.offset); {29#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-18 23:47:08,238 INFO L273 TraceCheckUtils]: 9: Hoare triple {29#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppa.base, ~ppa.offset := #in~ppa.base, #in~ppa.offset;~ppb.base, ~ppb.offset := #in~ppb.base, #in~ppb.offset;call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4);call write~$Pointer$(#t~mem0.base, #t~mem0.offset, ~ppa.base, ~ppa.offset, 4);havoc #t~mem0.base, #t~mem0.offset; {30#(and (= (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)))} is VALID [2018-11-18 23:47:08,247 INFO L273 TraceCheckUtils]: 10: Hoare triple {30#(and (= (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)))} assume true; {30#(and (= (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)))} is VALID [2018-11-18 23:47:08,267 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {30#(and (= (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)))} {28#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} #23#return; {31#(and (= (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|))} is VALID [2018-11-18 23:47:08,276 INFO L273 TraceCheckUtils]: 12: Hoare triple {31#(and (= (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|))} call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~#pa.base, ~#pa.offset, 4);call write~int(0, #t~mem1.base, #t~mem1.offset, 4);havoc #t~mem1.base, #t~mem1.offset;call ULTIMATE.dealloc(~#pa.base, ~#pa.offset);havoc ~#pa.base, ~#pa.offset;call ULTIMATE.dealloc(~#pb.base, ~#pb.offset);havoc ~#pb.base, ~#pb.offset; {32#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} is VALID [2018-11-18 23:47:08,290 INFO L273 TraceCheckUtils]: 13: Hoare triple {32#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} assume true; {32#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} is VALID [2018-11-18 23:47:08,303 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {32#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} {26#true} #25#return; {33#(= 0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))} is VALID [2018-11-18 23:47:08,315 INFO L273 TraceCheckUtils]: 15: Hoare triple {33#(= 0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))} call #t~mem2 := read~int(~#b~0.base, ~#b~0.offset, 4); {34#(= |main_#t~mem2| 0)} is VALID [2018-11-18 23:47:08,316 INFO L273 TraceCheckUtils]: 16: Hoare triple {34#(= |main_#t~mem2| 0)} assume 0 != #t~mem2;havoc #t~mem2; {27#false} is VALID [2018-11-18 23:47:08,316 INFO L273 TraceCheckUtils]: 17: Hoare triple {27#false} assume !false; {27#false} is VALID [2018-11-18 23:47:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:47:08,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:47:08,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 23:47:08,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-11-18 23:47:08,334 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:47:08,338 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2018-11-18 23:47:08,412 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:47:08,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 23:47:08,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 23:47:08,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 23:47:08,426 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 9 states. [2018-11-18 23:47:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:47:09,442 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-11-18 23:47:09,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 23:47:09,443 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-11-18 23:47:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:47:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-18 23:47:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 26 transitions. [2018-11-18 23:47:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-18 23:47:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 26 transitions. [2018-11-18 23:47:09,464 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 26 transitions. [2018-11-18 23:47:09,715 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:47:09,722 INFO L225 Difference]: With dead ends: 27 [2018-11-18 23:47:09,722 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 23:47:09,726 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 23:47:09,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 23:47:09,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 23:47:09,747 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:47:09,748 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-18 23:47:09,748 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 23:47:09,748 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 23:47:09,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:47:09,749 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 23:47:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:47:09,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:47:09,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:47:09,750 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 23:47:09,750 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 23:47:09,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:47:09,751 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 23:47:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:47:09,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:47:09,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:47:09,752 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:47:09,752 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:47:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 23:47:09,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 23:47:09,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-11-18 23:47:09,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:47:09,755 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 23:47:09,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 23:47:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:47:09,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:47:09,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 23:47:09,904 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 23:47:09,904 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 23:47:09,904 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 23:47:09,905 INFO L421 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|)) [2018-11-18 23:47:09,905 INFO L425 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2018-11-18 23:47:09,905 INFO L425 ceAbstractionStarter]: For program point fEXIT(lines 8 11) no Hoare annotation was computed. [2018-11-18 23:47:09,905 INFO L421 ceAbstractionStarter]: At program point fENTRY(lines 8 11) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-18 23:47:09,906 INFO L425 ceAbstractionStarter]: For program point fFINAL(lines 8 11) no Hoare annotation was computed. [2018-11-18 23:47:09,906 INFO L425 ceAbstractionStarter]: For program point gEXIT(lines 4 6) no Hoare annotation was computed. [2018-11-18 23:47:09,906 INFO L425 ceAbstractionStarter]: For program point gFINAL(lines 4 6) no Hoare annotation was computed. [2018-11-18 23:47:09,906 INFO L421 ceAbstractionStarter]: At program point gENTRY(lines 4 6) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-18 23:47:09,906 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 23:47:09,906 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 23:47:09,906 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 23:47:09,906 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 23:47:09,907 INFO L421 ceAbstractionStarter]: At program point L17(lines 13 24) the Hoare annotation is: false [2018-11-18 23:47:09,907 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-11-18 23:47:09,907 INFO L425 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2018-11-18 23:47:09,907 INFO L421 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-18 23:47:09,907 INFO L425 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-11-18 23:47:09,908 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 13 24) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-18 23:47:09,908 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 24) no Hoare annotation was computed. [2018-11-18 23:47:09,908 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 24) no Hoare annotation was computed. [2018-11-18 23:47:09,910 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:47:09,914 WARN L170 areAnnotationChecker]: gFINAL has no Hoare annotation [2018-11-18 23:47:09,916 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:47:09,916 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2018-11-18 23:47:09,919 WARN L170 areAnnotationChecker]: gFINAL has no Hoare annotation [2018-11-18 23:47:09,919 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:47:09,922 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-18 23:47:09,924 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 23:47:09,924 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2018-11-18 23:47:09,924 WARN L170 areAnnotationChecker]: gEXIT has no Hoare annotation [2018-11-18 23:47:09,924 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:47:09,924 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2018-11-18 23:47:09,924 WARN L170 areAnnotationChecker]: fFINAL has no Hoare annotation [2018-11-18 23:47:09,924 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-18 23:47:09,924 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-18 23:47:09,925 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2018-11-18 23:47:09,925 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-18 23:47:09,925 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 23:47:09,925 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 23:47:09,925 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 23:47:09,925 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. [2018-11-18 23:47:09,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:47:09 BoogieIcfgContainer [2018-11-18 23:47:09,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 23:47:09,933 INFO L168 Benchmark]: Toolchain (without parser) took 3702.76 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -606.9 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2018-11-18 23:47:09,934 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-18 23:47:09,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.24 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. [2018-11-18 23:47:09,936 INFO L168 Benchmark]: Boogie Preprocessor took 36.78 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. [2018-11-18 23:47:09,937 INFO L168 Benchmark]: RCFGBuilder took 621.65 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -738.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-18 23:47:09,938 INFO L168 Benchmark]: TraceAbstraction took 2736.43 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. [2018-11-18 23:47:09,942 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.24 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 Preprocessor took 36.78 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. * RCFGBuilder took 621.65 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -738.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2736.43 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: 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: 13]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 4 SDslu, 56 SDs, 0 SdLazy, 75 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s 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, 47 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 1955 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...