/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test26-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:13:43,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:13:43,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:13:43,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:13:43,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:13:43,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:13:43,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:13:43,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:13:43,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:13:43,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:13:43,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:13:43,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:13:43,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:13:43,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:13:43,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:13:43,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:13:43,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:13:43,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:13:43,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:13:43,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:13:43,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:13:43,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:13:43,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:13:43,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:13:43,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:13:43,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:13:43,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:13:43,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:13:43,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:13:43,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:13:43,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:13:43,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:13:43,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:13:43,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:13:43,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:13:43,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:13:43,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:13:43,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:13:43,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:13:43,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:13:43,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:13:43,720 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:13:43,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:13:43,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:13:43,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:13:43,733 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:13:43,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:13:43,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:13:43,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:13:43,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:13:43,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:13:43,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:13:43,735 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:13:43,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:13:43,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:13:43,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:13:43,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:13:43,736 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:13:43,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:13:43,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:13:43,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:13:43,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:13:43,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:13:43,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:13:43,738 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 05:13:44,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:13:44,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:13:44,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:13:44,056 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:13:44,057 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:13:44,057 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-2.c [2020-07-18 05:13:44,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5384ef7/bde4cd660d304bfa90f2bdb14d2c5a60/FLAG21523491e [2020-07-18 05:13:44,625 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:13:44,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26-2.c [2020-07-18 05:13:44,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5384ef7/bde4cd660d304bfa90f2bdb14d2c5a60/FLAG21523491e [2020-07-18 05:13:44,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c5384ef7/bde4cd660d304bfa90f2bdb14d2c5a60 [2020-07-18 05:13:44,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:13:44,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:13:44,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:13:44,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:13:44,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:13:44,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:13:44" (1/1) ... [2020-07-18 05:13:44,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cb0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:44, skipping insertion in model container [2020-07-18 05:13:44,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:13:44" (1/1) ... [2020-07-18 05:13:44,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:13:44,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:13:45,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:13:45,172 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:13:45,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:13:45,212 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:13:45,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45 WrapperNode [2020-07-18 05:13:45,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:13:45,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:13:45,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:13:45,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:13:45,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (1/1) ... [2020-07-18 05:13:45,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (1/1) ... [2020-07-18 05:13:45,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (1/1) ... [2020-07-18 05:13:45,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (1/1) ... [2020-07-18 05:13:45,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (1/1) ... [2020-07-18 05:13:45,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (1/1) ... [2020-07-18 05:13:45,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (1/1) ... [2020-07-18 05:13:45,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:13:45,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:13:45,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:13:45,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:13:45,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:13:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:13:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:13:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-18 05:13:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:13:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:13:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-18 05:13:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 05:13:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 05:13:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:13:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:13:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 05:13:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 05:13:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:13:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:13:45,690 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:13:45,691 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 05:13:45,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:13:45 BoogieIcfgContainer [2020-07-18 05:13:45,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:13:45,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:13:45,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:13:45,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:13:45,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:13:44" (1/3) ... [2020-07-18 05:13:45,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf6cd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:13:45, skipping insertion in model container [2020-07-18 05:13:45,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:45" (2/3) ... [2020-07-18 05:13:45,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf6cd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:13:45, skipping insertion in model container [2020-07-18 05:13:45,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:13:45" (3/3) ... [2020-07-18 05:13:45,704 INFO L109 eAbstractionObserver]: Analyzing ICFG test26-2.c [2020-07-18 05:13:45,717 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:13:45,725 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:13:45,740 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:13:45,764 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:13:45,764 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:13:45,765 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:13:45,765 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:13:45,765 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:13:45,765 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:13:45,766 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:13:45,766 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:13:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-07-18 05:13:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-18 05:13:45,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:13:45,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:13:45,795 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:13:45,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:13:45,802 INFO L82 PathProgramCache]: Analyzing trace with hash 584275181, now seen corresponding path program 1 times [2020-07-18 05:13:45,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:13:45,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573595542] [2020-07-18 05:13:45,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:13:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:13:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:13:46,033 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:13:46,033 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:13:46,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:13:46,064 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# [2020-07-18 05:13:46,066 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# [2020-07-18 05:13:46,079 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 05:13:46,079 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:13:46,079 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:13:46,080 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:13:46,080 WARN L170 areAnnotationChecker]: assignENTRY has no Hoare annotation [2020-07-18 05:13:46,080 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:46,080 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:46,080 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:46,081 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 05:13:46,081 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 05:13:46,081 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 05:13:46,081 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 05:13:46,081 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:13:46,082 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-18 05:13:46,082 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 05:13:46,082 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2020-07-18 05:13:46,082 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-18 05:13:46,083 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-18 05:13:46,083 WARN L170 areAnnotationChecker]: L3-1 has no Hoare annotation [2020-07-18 05:13:46,083 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2020-07-18 05:13:46,083 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2020-07-18 05:13:46,083 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2020-07-18 05:13:46,084 WARN L170 areAnnotationChecker]: L3-2 has no Hoare annotation [2020-07-18 05:13:46,084 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2020-07-18 05:13:46,084 WARN L170 areAnnotationChecker]: L18-4 has no Hoare annotation [2020-07-18 05:13:46,085 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-18 05:13:46,085 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:13:46,086 WARN L170 areAnnotationChecker]: L18-3 has no Hoare annotation [2020-07-18 05:13:46,086 WARN L170 areAnnotationChecker]: L18-5 has no Hoare annotation [2020-07-18 05:13:46,086 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2020-07-18 05:13:46,086 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:13:46,087 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 05:13:46,087 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 05:13:46,087 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 05:13:46,087 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-18 05:13:46,088 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:13:46,088 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:13:46,088 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 05:13:46,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:13:46 BoogieIcfgContainer [2020-07-18 05:13:46,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:13:46,097 INFO L168 Benchmark]: Toolchain (without parser) took 1148.93 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 103.8 MB in the beginning and 143.6 MB in the end (delta: -39.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:46,098 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 05:13:46,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.26 ms. Allocated memory is still 137.9 MB. Free memory was 103.6 MB in the beginning and 93.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:46,101 INFO L168 Benchmark]: Boogie Preprocessor took 135.30 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 93.3 MB in the beginning and 181.0 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:46,102 INFO L168 Benchmark]: RCFGBuilder took 346.14 ms. Allocated memory is still 202.9 MB. Free memory was 181.0 MB in the beginning and 161.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:46,102 INFO L168 Benchmark]: TraceAbstraction took 396.88 ms. Allocated memory is still 202.9 MB. Free memory was 161.0 MB in the beginning and 143.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:46,106 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.26 ms. Allocated memory is still 137.9 MB. Free memory was 103.6 MB in the beginning and 93.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.30 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 93.3 MB in the beginning and 181.0 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 346.14 ms. Allocated memory is still 202.9 MB. Free memory was 181.0 MB in the beginning and 161.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 396.88 ms. Allocated memory is still 202.9 MB. Free memory was 161.0 MB in the beginning and 143.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 24]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L3-L5] struct dummy { int a, b; } global = {0, 1}; VAL [\old(global)=null, \old(global)=null, global={2:0}] [L14] struct dummy *pd = &global; VAL [global={2:0}, pd={2:0}] [L16] CALL assign(&pd->b, &pd->b) VAL [global={2:0}, pa={2:4}, pb={2:4}] [L9] EXPR \read(*pb) VAL [\read(*pb)=1, global={2:0}, pa={2:4}, pa={2:4}, pb={2:4}, pb={2:4}] [L9] *pa = *pb VAL [\read(*pb)=1, global={2:0}, pa={2:4}, pa={2:4}, pb={2:4}, pb={2:4}] [L16] RET assign(&pd->b, &pd->b) VAL [global={2:0}, pd={2:0}] [L18] EXPR pd->a VAL [global={2:0}, pd={2:0}, pd->a=0] [L18] EXPR global.b VAL [global={2:0}, global.b=1, pd={2:0}, pd->a=0] [L18] COND TRUE pd->a != global.b VAL [global={2:0}, global.b=1, pd={2:0}, pd->a=0] [L24] __VERIFIER_error() VAL [global={2:0}, pd={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...