/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test26-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 16:24:31,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 16:24:31,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 16:24:31,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 16:24:31,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 16:24:31,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 16:24:31,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 16:24:31,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 16:24:31,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 16:24:31,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 16:24:31,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 16:24:31,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 16:24:31,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 16:24:31,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 16:24:31,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 16:24:31,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 16:24:31,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 16:24:31,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 16:24:31,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 16:24:31,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 16:24:31,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 16:24:31,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 16:24:31,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 16:24:31,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 16:24:31,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 16:24:31,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 16:24:31,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 16:24:31,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 16:24:31,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 16:24:31,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 16:24:31,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 16:24:31,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 16:24:31,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 16:24:31,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 16:24:31,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 16:24:31,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 16:24:31,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 16:24:31,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 16:24:31,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 16:24:31,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 16:24:31,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 16:24:31,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 16:24:31,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 16:24:31,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 16:24:31,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 16:24:31,328 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 16:24:31,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 16:24:31,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 16:24:31,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 16:24:31,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 16:24:31,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 16:24:31,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 16:24:31,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 16:24:31,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 16:24:31,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 16:24:31,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 16:24:31,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 16:24:31,331 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 16:24:31,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 16:24:31,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 16:24:31,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 16:24:31,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 16:24:31,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 16:24:31,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 16:24:31,332 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 16:24:31,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 16:24:31,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 16:24:31,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 16:24:31,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 16:24:31,683 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 16:24:31,683 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-2.c [2020-07-08 16:24:31,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9cd317ab/61f57b57c6844dffb8a0e66de430cbae/FLAG330e8f8ad [2020-07-08 16:24:32,208 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 16:24:32,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26-2.c [2020-07-08 16:24:32,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9cd317ab/61f57b57c6844dffb8a0e66de430cbae/FLAG330e8f8ad [2020-07-08 16:24:32,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9cd317ab/61f57b57c6844dffb8a0e66de430cbae [2020-07-08 16:24:32,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 16:24:32,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 16:24:32,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 16:24:32,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 16:24:32,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 16:24:32,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:24:32" (1/1) ... [2020-07-08 16:24:32,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7822e28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:32, skipping insertion in model container [2020-07-08 16:24:32,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 04:24:32" (1/1) ... [2020-07-08 16:24:32,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 16:24:32,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 16:24:32,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:24:33,009 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 16:24:33,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 16:24:33,051 INFO L208 MainTranslator]: Completed translation [2020-07-08 16:24:33,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33 WrapperNode [2020-07-08 16:24:33,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 16:24:33,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 16:24:33,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 16:24:33,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 16:24:33,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (1/1) ... [2020-07-08 16:24:33,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (1/1) ... [2020-07-08 16:24:33,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (1/1) ... [2020-07-08 16:24:33,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (1/1) ... [2020-07-08 16:24:33,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (1/1) ... [2020-07-08 16:24:33,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (1/1) ... [2020-07-08 16:24:33,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (1/1) ... [2020-07-08 16:24:33,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 16:24:33,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 16:24:33,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 16:24:33,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 16:24:33,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (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 [2020-07-08 16:24:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 16:24:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 16:24:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-08 16:24:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 16:24:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 16:24:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-08 16:24:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 16:24:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 16:24:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 16:24:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 16:24:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 16:24:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 16:24:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 16:24:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 16:24:33,575 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 16:24:33,575 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 16:24:33,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:24:33 BoogieIcfgContainer [2020-07-08 16:24:33,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 16:24:33,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 16:24:33,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 16:24:33,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 16:24:33,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 04:24:32" (1/3) ... [2020-07-08 16:24:33,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422a1c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:24:33, skipping insertion in model container [2020-07-08 16:24:33,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 04:24:33" (2/3) ... [2020-07-08 16:24:33,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422a1c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 04:24:33, skipping insertion in model container [2020-07-08 16:24:33,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 04:24:33" (3/3) ... [2020-07-08 16:24:33,590 INFO L109 eAbstractionObserver]: Analyzing ICFG test26-2.c [2020-07-08 16:24:33,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 16:24:33,611 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 16:24:33,636 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 16:24:33,657 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 16:24:33,658 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 16:24:33,658 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 16:24:33,658 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 16:24:33,658 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 16:24:33,658 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 16:24:33,659 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 16:24:33,659 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 16:24:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-07-08 16:24:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-08 16:24:33,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 16:24:33,688 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] [2020-07-08 16:24:33,688 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 16:24:33,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 16:24:33,695 INFO L82 PathProgramCache]: Analyzing trace with hash 584275181, now seen corresponding path program 1 times [2020-07-08 16:24:33,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 16:24:33,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670084541] [2020-07-08 16:24:33,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 16:24:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 16:24:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 16:24:33,977 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 16:24:33,979 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 16:24:33,979 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 16:24:33,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 16:24:33,996 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 16:24:33,996 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 16:24:33,996 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 16:24:33,997 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 16:24:33,997 WARN L170 areAnnotationChecker]: assignENTRY has no Hoare annotation [2020-07-08 16:24:33,997 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 16:24:33,997 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 16:24:33,997 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 16:24:33,998 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 16:24:33,998 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 16:24:33,998 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-08 16:24:33,998 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 16:24:33,999 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 16:24:33,999 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 16:24:33,999 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 16:24:33,999 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2020-07-08 16:24:33,999 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-08 16:24:33,999 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-08 16:24:33,999 WARN L170 areAnnotationChecker]: L3-1 has no Hoare annotation [2020-07-08 16:24:34,000 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2020-07-08 16:24:34,000 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2020-07-08 16:24:34,000 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2020-07-08 16:24:34,000 WARN L170 areAnnotationChecker]: L3-2 has no Hoare annotation [2020-07-08 16:24:34,000 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2020-07-08 16:24:34,000 WARN L170 areAnnotationChecker]: L18-4 has no Hoare annotation [2020-07-08 16:24:34,001 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-08 16:24:34,001 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 16:24:34,001 WARN L170 areAnnotationChecker]: L18-3 has no Hoare annotation [2020-07-08 16:24:34,001 WARN L170 areAnnotationChecker]: L18-5 has no Hoare annotation [2020-07-08 16:24:34,001 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2020-07-08 16:24:34,002 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 16:24:34,002 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 16:24:34,002 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 16:24:34,002 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 16:24:34,003 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 16:24:34,003 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 16:24:34,003 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 16:24:34,003 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. [2020-07-08 16:24:34,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 04:24:34 BoogieIcfgContainer [2020-07-08 16:24:34,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 16:24:34,011 INFO L168 Benchmark]: Toolchain (without parser) took 1333.18 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 142.6 MB in the end (delta: -41.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2020-07-08 16:24:34,012 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 143.1 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 16:24:34,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.67 ms. Allocated memory is still 143.1 MB. Free memory was 101.1 MB in the beginning and 90.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-08 16:24:34,014 INFO L168 Benchmark]: Boogie Preprocessor took 170.42 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 90.8 MB in the beginning and 178.6 MB in the end (delta: -87.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-08 16:24:34,015 INFO L168 Benchmark]: RCFGBuilder took 356.84 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 159.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2020-07-08 16:24:34,016 INFO L168 Benchmark]: TraceAbstraction took 426.09 ms. Allocated memory is still 201.3 MB. Free memory was 159.2 MB in the beginning and 142.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2020-07-08 16:24:34,020 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 0.77 ms. Allocated memory is still 143.1 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 371.67 ms. Allocated memory is still 143.1 MB. Free memory was 101.1 MB in the beginning and 90.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 170.42 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 90.8 MB in the beginning and 178.6 MB in the end (delta: -87.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 356.84 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 159.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 426.09 ms. Allocated memory is still 201.3 MB. Free memory was 159.2 MB in the beginning and 142.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * 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}; [L14] struct dummy *pd = &global; [L16] CALL assign(&pd->b, &pd->b) [L9] EXPR \read(*pb) [L9] *pa = *pb [L16] RET assign(&pd->b, &pd->b) [L18] EXPR pd->a [L18] EXPR global.b [L18] COND TRUE pd->a != global.b [L24] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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: No data available, 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...