/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/test30-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:13:53,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:13:53,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:13:53,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:13:53,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:13:53,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:13:53,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:13:53,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:13:53,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:13:53,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:13:53,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:13:53,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:13:53,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:13:53,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:13:53,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:13:53,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:13:53,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:13:53,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:13:53,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:13:53,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:13:53,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:13:53,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:13:53,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:13:53,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:13:53,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:13:53,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:13:53,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:13:53,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:13:53,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:13:53,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:13:53,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:13:53,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:13:53,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:13:53,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:13:53,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:13:53,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:13:53,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:13:53,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:13:53,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:13:53,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:13:53,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:13:53,902 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 05:13:53,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:13:53,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:13:53,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:13:53,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:13:53,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:13:53,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:13:53,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:13:53,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:13:53,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:13:53,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:13:53,913 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:13:53,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:13:53,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:13:53,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:13:53,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:13:53,914 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:13:53,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:13:53,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:13:53,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:13:53,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:13:53,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:13:53,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:13:53,916 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 05:13:54,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:13:54,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:13:54,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:13:54,189 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:13:54,190 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:13:54,190 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-2.c [2020-07-18 05:13:54,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac32721cf/ccfb658e0cca404bb2a52094e52b32e5/FLAG66e281ea8 [2020-07-18 05:13:54,705 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:13:54,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-2.c [2020-07-18 05:13:54,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac32721cf/ccfb658e0cca404bb2a52094e52b32e5/FLAG66e281ea8 [2020-07-18 05:13:55,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac32721cf/ccfb658e0cca404bb2a52094e52b32e5 [2020-07-18 05:13:55,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:13:55,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:13:55,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:13:55,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:13:55,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:13:55,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494b592e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55, skipping insertion in model container [2020-07-18 05:13:55,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:13:55,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:13:55,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:13:55,333 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:13:55,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:13:55,370 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:13:55,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55 WrapperNode [2020-07-18 05:13:55,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:13:55,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:13:55,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:13:55,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:13:55,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (1/1) ... [2020-07-18 05:13:55,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:13:55,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:13:55,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:13:55,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:13:55,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (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 05:13:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:13:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:13:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-18 05:13:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2020-07-18 05:13:55,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:13:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:13:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-18 05:13:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 05:13:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 05:13:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2020-07-18 05:13:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 05:13:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:13:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:13:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 05:13:55,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 05:13:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-18 05:13:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:13:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 05:13:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:13:56,022 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:13:56,023 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 05:13:56,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:13:56 BoogieIcfgContainer [2020-07-18 05:13:56,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:13:56,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:13:56,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:13:56,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:13:56,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:13:55" (1/3) ... [2020-07-18 05:13:56,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71febed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:13:56, skipping insertion in model container [2020-07-18 05:13:56,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:55" (2/3) ... [2020-07-18 05:13:56,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71febed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:13:56, skipping insertion in model container [2020-07-18 05:13:56,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:13:56" (3/3) ... [2020-07-18 05:13:56,037 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-2.c [2020-07-18 05:13:56,046 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:13:56,054 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:13:56,066 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:13:56,084 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:13:56,085 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:13:56,085 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:13:56,085 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:13:56,085 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:13:56,085 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:13:56,085 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:13:56,085 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:13:56,099 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-07-18 05:13:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 05:13:56,108 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:13:56,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:13:56,109 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:13:56,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:13:56,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1008205128, now seen corresponding path program 1 times [2020-07-18 05:13:56,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:13:56,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327789614] [2020-07-18 05:13:56,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:13:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:13:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:13:56,374 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:13:56,375 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:13:56,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:13:56,418 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# [2020-07-18 05:13:56,419 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# [2020-07-18 05:13:56,420 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# [2020-07-18 05:13:56,421 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# [2020-07-18 05:13:56,436 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 05:13:56,436 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:13:56,436 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:13:56,437 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:13:56,437 WARN L170 areAnnotationChecker]: assign2ENTRY has no Hoare annotation [2020-07-18 05:13:56,437 WARN L170 areAnnotationChecker]: assignENTRY has no Hoare annotation [2020-07-18 05:13:56,437 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:56,437 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:56,437 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:56,438 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 05:13:56,438 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 05:13:56,438 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 05:13:56,438 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 05:13:56,439 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 05:13:56,439 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:13:56,439 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 05:13:56,439 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 05:13:56,439 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 05:13:56,440 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2020-07-18 05:13:56,440 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-18 05:13:56,440 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-18 05:13:56,440 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 05:13:56,440 WARN L170 areAnnotationChecker]: L3-1 has no Hoare annotation [2020-07-18 05:13:56,441 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-18 05:13:56,441 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-18 05:13:56,441 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-18 05:13:56,441 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-18 05:13:56,441 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-18 05:13:56,442 WARN L170 areAnnotationChecker]: L3-2 has no Hoare annotation [2020-07-18 05:13:56,442 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-18 05:13:56,442 WARN L170 areAnnotationChecker]: L25-4 has no Hoare annotation [2020-07-18 05:13:56,442 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-18 05:13:56,442 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-18 05:13:56,443 WARN L170 areAnnotationChecker]: L3-3 has no Hoare annotation [2020-07-18 05:13:56,443 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-18 05:13:56,443 WARN L170 areAnnotationChecker]: L25-5 has no Hoare annotation [2020-07-18 05:13:56,443 WARN L170 areAnnotationChecker]: L16-4 has no Hoare annotation [2020-07-18 05:13:56,443 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2020-07-18 05:13:56,443 WARN L170 areAnnotationChecker]: L3-4 has no Hoare annotation [2020-07-18 05:13:56,444 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 05:13:56,444 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 05:13:56,444 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 05:13:56,444 WARN L170 areAnnotationChecker]: assign2FINAL has no Hoare annotation [2020-07-18 05:13:56,444 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 05:13:56,444 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-18 05:13:56,445 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:13:56,445 WARN L170 areAnnotationChecker]: assign2EXIT has no Hoare annotation [2020-07-18 05:13:56,445 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2020-07-18 05:13:56,445 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:13:56,445 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:13:56,445 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:13:56,446 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 05:13:56,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:13:56 BoogieIcfgContainer [2020-07-18 05:13:56,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:13:56,453 INFO L168 Benchmark]: Toolchain (without parser) took 1350.13 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 132.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:56,455 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 05:13:56,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.04 ms. Allocated memory is still 145.2 MB. Free memory was 101.2 MB in the beginning and 90.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:56,457 INFO L168 Benchmark]: Boogie Preprocessor took 170.73 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 90.8 MB in the beginning and 181.4 MB in the end (delta: -90.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:56,458 INFO L168 Benchmark]: RCFGBuilder took 484.49 ms. Allocated memory is still 203.9 MB. Free memory was 181.4 MB in the beginning and 156.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:56,458 INFO L168 Benchmark]: TraceAbstraction took 422.02 ms. Allocated memory is still 203.9 MB. Free memory was 155.5 MB in the beginning and 132.1 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:56,463 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 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.04 ms. Allocated memory is still 145.2 MB. Free memory was 101.2 MB in the beginning and 90.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 170.73 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 90.8 MB in the beginning and 181.4 MB in the end (delta: -90.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.49 ms. Allocated memory is still 203.9 MB. Free memory was 181.4 MB in the beginning and 156.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 422.02 ms. Allocated memory is still 203.9 MB. Free memory was 155.5 MB in the beginning and 132.1 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 15 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: 31]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L3] int a = 1, b; VAL [\old(a)=9, \old(a)=14, \old(b)=13, \old(b)=18, \old(global)=null, \old(global)=null, a={3:0}, b={5:0}, global={10:15}] [L5-L7] struct dummy { int *a, *b; } global = {&a, &b}; VAL [\old(a)=9, \old(a)=14, \old(b)=18, \old(b)=13, \old(global)=null, \old(global)=null, a={3:0}, b={5:0}, global={2:0}] [L21] struct dummy *pd = &global; VAL [a={3:0}, b={5:0}, global={2:0}, pd={2:0}] [L23] CALL assign2(&pd->a, &pd->b) VAL [a={3:0}, b={5:0}, global={2:0}, pa={2:0}, pb={2:4}] [L16] EXPR \read(**pb) VAL [\read(**pb)={5:0}, a={3:0}, b={5:0}, global={2:0}, pa={2:0}, pa={2:0}, pb={2:4}, pb={2:4}] [L16] EXPR \read(**pb) VAL [\read(**pb)={5:0}, \read(**pb)={5:0}, a={3:0}, b={5:0}, global={2:0}, pa={2:0}, pa={2:0}, pb={2:4}, pb={2:4}] [L16] CALL assign(*pb, *pb) VAL [a={3:0}, b={5:0}, global={2:0}, pa={5:0}, pb={5:0}] [L11] EXPR \read(*pb) VAL [\read(*pb)=0, a={3:0}, b={5:0}, global={2:0}, pa={5:0}, pa={5:0}, pb={5:0}, pb={5:0}] [L11] *pa = *pb VAL [\read(*pb)=0, a={3:0}, b={5:0}, global={2:0}, pa={5:0}, pa={5:0}, pb={5:0}, pb={5:0}] [L16] RET assign(*pb, *pb) VAL [\read(**pb)={5:0}, \read(**pb)={5:0}, a={3:0}, b={5:0}, global={2:0}, pa={2:0}, pa={2:0}, pb={2:4}, pb={2:4}] [L23] RET assign2(&pd->a, &pd->b) VAL [a={3:0}, b={5:0}, global={2:0}, pd={2:0}] [L25] EXPR \read(a) VAL [\read(a)=1, a={3:0}, b={5:0}, global={2:0}, pd={2:0}] [L25] EXPR \read(b) VAL [\read(a)=1, \read(b)=0, a={3:0}, b={5:0}, global={2:0}, pd={2:0}] [L25] COND TRUE a != b VAL [\read(a)=1, \read(b)=0, a={3:0}, b={5:0}, global={2:0}, pd={2:0}] [L31] __VERIFIER_error() VAL [a={3:0}, b={5:0}, global={2:0}, pd={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 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=47occurred 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, 38 NumberOfCodeBlocks, 38 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...