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/nested_structure_noptr_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 23:46:25,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 23:46:25,146 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 23:46:25,160 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 23:46:25,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 23:46:25,163 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 23:46:25,167 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 23:46:25,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 23:46:25,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 23:46:25,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 23:46:25,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 23:46:25,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 23:46:25,178 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 23:46:25,182 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 23:46:25,188 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 23:46:25,189 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 23:46:25,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 23:46:25,196 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 23:46:25,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 23:46:25,203 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 23:46:25,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 23:46:25,206 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 23:46:25,210 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 23:46:25,211 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 23:46:25,211 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 23:46:25,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 23:46:25,214 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 23:46:25,215 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 23:46:25,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 23:46:25,216 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 23:46:25,217 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 23:46:25,217 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 23:46:25,217 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 23:46:25,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 23:46:25,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 23:46:25,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 23:46:25,222 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 23:46:25,253 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 23:46:25,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 23:46:25,256 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 23:46:25,257 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 23:46:25,257 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 23:46:25,258 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 23:46:25,261 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 23:46:25,261 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 23:46:25,261 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 23:46:25,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 23:46:25,262 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 23:46:25,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 23:46:25,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 23:46:25,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 23:46:25,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 23:46:25,263 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 23:46:25,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 23:46:25,263 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 23:46:25,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 23:46:25,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 23:46:25,266 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 23:46:25,266 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 23:46:25,266 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 23:46:25,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 23:46:25,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 23:46:25,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 23:46:25,267 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 23:46:25,267 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 23:46:25,267 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 23:46:25,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 23:46:25,268 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 23:46:25,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 23:46:25,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 23:46:25,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 23:46:25,350 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 23:46:25,351 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 23:46:25,351 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_noptr_true-unreach-call_true-termination.i [2018-11-18 23:46:25,420 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb00a7bcc/2dc858a47cd542d4a94f21e270809cf5/FLAG33a5f2c31 [2018-11-18 23:46:25,907 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 23:46:25,907 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_noptr_true-unreach-call_true-termination.i [2018-11-18 23:46:25,914 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb00a7bcc/2dc858a47cd542d4a94f21e270809cf5/FLAG33a5f2c31 [2018-11-18 23:46:26,267 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb00a7bcc/2dc858a47cd542d4a94f21e270809cf5 [2018-11-18 23:46:26,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 23:46:26,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 23:46:26,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 23:46:26,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 23:46:26,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 23:46:26,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714088be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26, skipping insertion in model container [2018-11-18 23:46:26,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 23:46:26,320 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 23:46:26,530 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:46:26,539 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 23:46:26,569 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:46:26,595 INFO L195 MainTranslator]: Completed translation [2018-11-18 23:46:26,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26 WrapperNode [2018-11-18 23:46:26,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 23:46:26,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 23:46:26,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 23:46:26,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 23:46:26,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (1/1) ... [2018-11-18 23:46:26,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 23:46:26,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 23:46:26,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 23:46:26,635 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 23:46:26,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (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 23:46:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 23:46:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 23:46:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 23:46:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 23:46:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 23:46:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 23:46:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 23:46:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2018-11-18 23:46:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2018-11-18 23:46:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 23:46:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 23:46:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 23:46:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 23:46:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 23:46:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 23:46:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 23:46:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 23:46:27,196 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 23:46:27,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:27 BoogieIcfgContainer [2018-11-18 23:46:27,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 23:46:27,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 23:46:27,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 23:46:27,202 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 23:46:27,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:46:26" (1/3) ... [2018-11-18 23:46:27,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2323badc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:46:27, skipping insertion in model container [2018-11-18 23:46:27,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:26" (2/3) ... [2018-11-18 23:46:27,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2323badc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:46:27, skipping insertion in model container [2018-11-18 23:46:27,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:27" (3/3) ... [2018-11-18 23:46:27,206 INFO L112 eAbstractionObserver]: Analyzing ICFG nested_structure_noptr_true-unreach-call_true-termination.i [2018-11-18 23:46:27,214 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 23:46:27,221 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 23:46:27,235 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 23:46:27,266 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 23:46:27,267 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 23:46:27,267 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 23:46:27,267 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 23:46:27,267 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 23:46:27,267 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 23:46:27,268 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 23:46:27,268 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 23:46:27,268 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 23:46:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-18 23:46:27,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 23:46:27,294 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:46:27,296 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:46:27,298 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:46:27,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:46:27,304 INFO L82 PathProgramCache]: Analyzing trace with hash -715594688, now seen corresponding path program 1 times [2018-11-18 23:46:27,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:46:27,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:46:27,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:27,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:46:27,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:46:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:46:27,629 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-18 23:46:27,633 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {21#true} is VALID [2018-11-18 23:46:27,634 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-18 23:46:27,634 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #23#return; {21#true} is VALID [2018-11-18 23:46:27,635 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret1 := main(); {21#true} is VALID [2018-11-18 23:46:27,644 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#good~0.base, ~#good~0.offset := #Ultimate.alloc(12);call write~unchecked~int(0, ~#good~0.base, ~#good~0.offset, 4);call write~unchecked~int(0, ~#good~0.base, 4 + ~#good~0.offset, 4);call write~unchecked~int(0, ~#good~0.base, 8 + ~#good~0.offset, 4);call write~unchecked~int(1, ~#good~0.base, ~#good~0.offset, 4);call write~unchecked~int(2, ~#good~0.base, 4 + ~#good~0.offset, 4);call write~unchecked~int(3, ~#good~0.base, 8 + ~#good~0.offset, 4);call write~int(4, ~#good~0.base, 8 + ~#good~0.offset, 4);call #t~mem0 := read~int(~#good~0.base, 8 + ~#good~0.offset, 4); {23#(= |main_#t~mem0| 4)} is VALID [2018-11-18 23:46:27,647 INFO L256 TraceCheckUtils]: 6: Hoare triple {23#(= |main_#t~mem0| 4)} call __VERIFIER_assert((if 4 == #t~mem0 then 1 else 0)); {24#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-18 23:46:27,649 INFO L273 TraceCheckUtils]: 7: Hoare triple {24#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {25#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-18 23:46:27,651 INFO L273 TraceCheckUtils]: 8: Hoare triple {25#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {22#false} is VALID [2018-11-18 23:46:27,651 INFO L273 TraceCheckUtils]: 9: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-18 23:46:27,654 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 23:46:27,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:46:27,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 23:46:27,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-18 23:46:27,666 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:46:27,670 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 23:46:27,735 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:27,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 23:46:27,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 23:46:27,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 23:46:27,746 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-18 23:46:28,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:28,401 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-18 23:46:28,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 23:46:28,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-18 23:46:28,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:46:28,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 23:46:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-18 23:46:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 23:46:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-18 23:46:28,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 24 transitions. [2018-11-18 23:46:28,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:46:28,490 INFO L225 Difference]: With dead ends: 25 [2018-11-18 23:46:28,490 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 23:46:28,493 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 23:46:28,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 23:46:28,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 23:46:28,513 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:46:28,513 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:28,514 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:28,514 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:28,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:28,515 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 23:46:28,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:46:28,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:28,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:28,515 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:28,516 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 23:46:28,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:46:28,516 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 23:46:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:46:28,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:28,516 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:46:28,516 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:46:28,517 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:46:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 23:46:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 23:46:28,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-18 23:46:28,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:46:28,519 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 23:46:28,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 23:46:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 23:46:28,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:46:28,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 23:46:28,580 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 23:46:28,580 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 23:46:28,580 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 23:46:28,580 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 23:46:28,581 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 23:46:28,581 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 23:46:28,581 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 23:46:28,581 INFO L421 ceAbstractionStarter]: At program point L33(line 33) the Hoare annotation is: (= |main_#t~mem0| 4) [2018-11-18 23:46:28,581 INFO L425 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-11-18 23:46:28,582 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 29 35) the Hoare annotation is: true [2018-11-18 23:46:28,582 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 29 35) no Hoare annotation was computed. [2018-11-18 23:46:28,582 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 29 35) no Hoare annotation was computed. [2018-11-18 23:46:28,582 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-18 23:46:28,582 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-18 23:46:28,583 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-18 23:46:28,583 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-18 23:46:28,583 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-18 23:46:28,583 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-18 23:46:28,585 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:46:28,601 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 23:46:28,601 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:46:28,601 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:46:28,601 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2018-11-18 23:46:28,601 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 23:46:28,602 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 23:46:28,602 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 23:46:28,602 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:46:28,602 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2018-11-18 23:46:28,602 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-18 23:46:28,602 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-18 23:46:28,602 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-18 23:46:28,602 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 23:46:28,603 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-18 23:46:28,603 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 23:46:28,603 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-18 23:46:28,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:46:28 BoogieIcfgContainer [2018-11-18 23:46:28,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 23:46:28,607 INFO L168 Benchmark]: Toolchain (without parser) took 2330.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -712.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:28,609 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-11-18 23:46:28,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.19 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:28,611 INFO L168 Benchmark]: Boogie Preprocessor took 37.93 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 23:46:28,612 INFO L168 Benchmark]: RCFGBuilder took 562.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -778.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:28,613 INFO L168 Benchmark]: TraceAbstraction took 1407.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-11-18 23:46:28,617 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 0.26 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 318.19 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.93 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 562.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -778.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1407.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 31 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 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...