/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/test21-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 19:02:29,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 19:02:29,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 19:02:29,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 19:02:29,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 19:02:29,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 19:02:29,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 19:02:29,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 19:02:29,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 19:02:29,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 19:02:29,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 19:02:29,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 19:02:29,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 19:02:29,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 19:02:29,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 19:02:29,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 19:02:29,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 19:02:29,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 19:02:29,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 19:02:29,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 19:02:29,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 19:02:29,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 19:02:29,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 19:02:29,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 19:02:29,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 19:02:29,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 19:02:29,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 19:02:29,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 19:02:29,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 19:02:29,879 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 19:02:29,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 19:02:29,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 19:02:29,881 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 19:02:29,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 19:02:29,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 19:02:29,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 19:02:29,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 19:02:29,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 19:02:29,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 19:02:29,882 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 19:02:29,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 19:02:29,883 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 19:02:29,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 19:02:29,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 19:02:29,884 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 19:02:29,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 19:02:29,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 19:02:29,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 19:02:29,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 19:02:29,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 19:02:29,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 19:02:29,885 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 19:02:30,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 19:02:30,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 19:02:30,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 19:02:30,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 19:02:30,220 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 19:02:30,221 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-2.c [2020-07-10 19:02:30,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24a555131/2347575fb2024571ab24c2c757c326d2/FLAG0681b39a5 [2020-07-10 19:02:30,785 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 19:02:30,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c [2020-07-10 19:02:30,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24a555131/2347575fb2024571ab24c2c757c326d2/FLAG0681b39a5 [2020-07-10 19:02:31,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24a555131/2347575fb2024571ab24c2c757c326d2 [2020-07-10 19:02:31,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 19:02:31,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 19:02:31,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 19:02:31,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 19:02:31,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 19:02:31,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eed054f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31, skipping insertion in model container [2020-07-10 19:02:31,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 19:02:31,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 19:02:31,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:02:31,391 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 19:02:31,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:02:31,434 INFO L208 MainTranslator]: Completed translation [2020-07-10 19:02:31,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31 WrapperNode [2020-07-10 19:02:31,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 19:02:31,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 19:02:31,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 19:02:31,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 19:02:31,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (1/1) ... [2020-07-10 19:02:31,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 19:02:31,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 19:02:31,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 19:02:31,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 19:02:31,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (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 [2020-07-10 19:02:31,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 19:02:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 19:02:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-07-10 19:02:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2020-07-10 19:02:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-10 19:02:31,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 19:02:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 19:02:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 19:02:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-10 19:02:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-07-10 19:02:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 19:02:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2020-07-10 19:02:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-10 19:02:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 19:02:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 19:02:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 19:02:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 19:02:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-10 19:02:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 19:02:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 19:02:32,032 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 19:02:32,032 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 19:02:32,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:02:32 BoogieIcfgContainer [2020-07-10 19:02:32,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 19:02:32,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 19:02:32,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 19:02:32,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 19:02:32,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:02:31" (1/3) ... [2020-07-10 19:02:32,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7397c070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:02:32, skipping insertion in model container [2020-07-10 19:02:32,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:02:31" (2/3) ... [2020-07-10 19:02:32,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7397c070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:02:32, skipping insertion in model container [2020-07-10 19:02:32,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:02:32" (3/3) ... [2020-07-10 19:02:32,046 INFO L109 eAbstractionObserver]: Analyzing ICFG test21-2.c [2020-07-10 19:02:32,058 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 19:02:32,066 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 19:02:32,081 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 19:02:32,104 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 19:02:32,104 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 19:02:32,104 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 19:02:32,105 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 19:02:32,105 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 19:02:32,105 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 19:02:32,105 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 19:02:32,105 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 19:02:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-10 19:02:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-10 19:02:32,142 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:02:32,144 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:02:32,144 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:02:32,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:02:32,151 INFO L82 PathProgramCache]: Analyzing trace with hash -487286935, now seen corresponding path program 1 times [2020-07-10 19:02:32,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:02:32,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616979320] [2020-07-10 19:02:32,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:02:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 19:02:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 19:02:32,537 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:02:32,539 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 19:02:32,540 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 19:02:32,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 19:02:32,562 WARN L170 areAnnotationChecker]: initENTRY has no Hoare annotation [2020-07-10 19:02:32,562 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 19:02:32,563 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 19:02:32,563 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 19:02:32,563 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2020-07-10 19:02:32,563 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2020-07-10 19:02:32,563 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 19:02:32,564 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 19:02:32,564 WARN L170 areAnnotationChecker]: checkENTRY has no Hoare annotation [2020-07-10 19:02:32,564 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-10 19:02:32,564 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 19:02:32,565 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 19:02:32,565 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 19:02:32,565 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-10 19:02:32,565 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-10 19:02:32,566 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 19:02:32,566 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 19:02:32,566 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 19:02:32,566 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-10 19:02:32,566 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-10 19:02:32,567 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 19:02:32,567 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-10 19:02:32,567 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-10 19:02:32,567 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-10 19:02:32,567 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-10 19:02:32,568 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-10 19:02:32,568 WARN L170 areAnnotationChecker]: L22-4 has no Hoare annotation [2020-07-10 19:02:32,568 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-10 19:02:32,568 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-10 19:02:32,568 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-10 19:02:32,569 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-10 19:02:32,569 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-10 19:02:32,569 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-10 19:02:32,569 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-10 19:02:32,569 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-10 19:02:32,569 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2020-07-10 19:02:32,569 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2020-07-10 19:02:32,570 WARN L170 areAnnotationChecker]: get_dummyFINAL has no Hoare annotation [2020-07-10 19:02:32,570 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2020-07-10 19:02:32,570 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2020-07-10 19:02:32,570 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-10 19:02:32,570 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-10 19:02:32,570 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2020-07-10 19:02:32,571 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2020-07-10 19:02:32,571 WARN L170 areAnnotationChecker]: L33-4 has no Hoare annotation [2020-07-10 19:02:32,571 WARN L170 areAnnotationChecker]: L27-4 has no Hoare annotation [2020-07-10 19:02:32,571 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-10 19:02:32,571 WARN L170 areAnnotationChecker]: L9-4 has no Hoare annotation [2020-07-10 19:02:32,571 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-10 19:02:32,572 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-10 19:02:32,572 WARN L170 areAnnotationChecker]: checkFINAL has no Hoare annotation [2020-07-10 19:02:32,572 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-10 19:02:32,572 WARN L170 areAnnotationChecker]: L9-5 has no Hoare annotation [2020-07-10 19:02:32,572 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 19:02:32,573 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 19:02:32,573 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2020-07-10 19:02:32,573 WARN L170 areAnnotationChecker]: checkEXIT has no Hoare annotation [2020-07-10 19:02:32,573 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-10 19:02:32,573 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 19:02:32,573 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2020-07-10 19:02:32,574 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 19:02:32,574 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-10 19:02:32,574 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 19:02:32,574 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 19:02:32,574 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 19:02:32,575 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 19:02:32,575 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-10 19:02:32,575 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2020-07-10 19:02:32,575 WARN L170 areAnnotationChecker]: L35-4 has no Hoare annotation [2020-07-10 19:02:32,575 WARN L170 areAnnotationChecker]: initFINAL has no Hoare annotation [2020-07-10 19:02:32,576 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-10 19:02:32,576 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-10 19:02:32,576 WARN L170 areAnnotationChecker]: initEXIT has no Hoare annotation [2020-07-10 19:02:32,576 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-10 19:02:32,576 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. [2020-07-10 19:02:32,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:02:32 BoogieIcfgContainer [2020-07-10 19:02:32,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 19:02:32,586 INFO L168 Benchmark]: Toolchain (without parser) took 1427.23 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 101.2 MB in the beginning and 122.2 MB in the end (delta: -20.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:32,587 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 138.4 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. [2020-07-10 19:02:32,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.92 ms. Allocated memory is still 138.4 MB. Free memory was 101.0 MB in the beginning and 90.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:32,590 INFO L168 Benchmark]: Boogie Preprocessor took 122.16 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 90.3 MB in the beginning and 177.6 MB in the end (delta: -87.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:32,590 INFO L168 Benchmark]: RCFGBuilder took 479.13 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 148.0 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:32,591 INFO L168 Benchmark]: TraceAbstraction took 543.82 ms. Allocated memory is still 200.3 MB. Free memory was 148.0 MB in the beginning and 122.2 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-10 19:02:32,595 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 0.29 ms. Allocated memory is still 138.4 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 275.92 ms. Allocated memory is still 138.4 MB. Free memory was 101.0 MB in the beginning and 90.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.16 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 90.3 MB in the beginning and 177.6 MB in the end (delta: -87.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 479.13 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 148.0 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 543.82 ms. Allocated memory is still 200.3 MB. Free memory was 148.0 MB in the beginning and 122.2 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 42]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] struct dummy d1, d2; [L32] CALL init() [L13] d1.a = __VERIFIER_nondet_int() [L14] d1.b = __VERIFIER_nondet_int() [L16] d2.a = __VERIFIER_nondet_int() [L17] d2.b = __VERIFIER_nondet_int() [L32] RET init() [L33] CALL, EXPR get_dummy() [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L33] CALL, EXPR get_dummy() [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L34] COND TRUE pd1 != 0 && pd1 == pd2 [L35] CALL, EXPR check(pd1, pd2) [L27] EXPR s1->a [L27] EXPR s2->b [L27] return s1->a == s2->b; [L35] RET, EXPR check(pd1, pd2) [L35] COND TRUE !check(pd1, pd2) [L42] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, 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=65occurred 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...