/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/test21-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 01:06:48,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 01:06:48,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 01:06:48,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 01:06:48,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 01:06:48,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 01:06:48,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 01:06:48,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 01:06:48,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 01:06:48,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 01:06:48,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 01:06:48,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 01:06:48,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 01:06:48,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 01:06:48,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 01:06:48,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 01:06:48,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 01:06:48,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 01:06:48,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 01:06:48,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 01:06:48,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 01:06:48,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 01:06:48,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 01:06:48,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 01:06:48,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 01:06:48,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 01:06:48,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 01:06:48,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 01:06:48,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 01:06:48,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 01:06:48,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 01:06:48,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 01:06:48,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 01:06:48,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 01:06:48,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 01:06:48,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 01:06:48,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 01:06:48,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 01:06:48,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 01:06:48,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 01:06:48,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 01:06:48,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 01:06:48,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 01:06:48,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 01:06:48,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 01:06:48,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 01:06:48,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 01:06:48,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 01:06:48,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 01:06:48,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 01:06:48,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 01:06:48,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 01:06:48,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 01:06:48,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 01:06:48,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 01:06:48,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 01:06:48,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 01:06:48,257 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 01:06:48,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 01:06:48,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 01:06:48,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 01:06:48,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 01:06:48,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 01:06:48,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 01:06:48,259 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 [2020-07-11 01:06:48,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 01:06:48,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 01:06:48,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 01:06:48,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 01:06:48,607 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 01:06:48,607 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-2.c [2020-07-11 01:06:48,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a048ef33a/b934807f618f434da664bca3430cc42d/FLAGae5717edb [2020-07-11 01:06:49,212 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 01:06:49,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c [2020-07-11 01:06:49,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a048ef33a/b934807f618f434da664bca3430cc42d/FLAGae5717edb [2020-07-11 01:06:49,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a048ef33a/b934807f618f434da664bca3430cc42d [2020-07-11 01:06:49,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 01:06:49,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 01:06:49,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 01:06:49,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 01:06:49,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 01:06:49,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:49,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440771f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49, skipping insertion in model container [2020-07-11 01:06:49,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:49,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 01:06:49,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 01:06:49,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:06:49,891 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 01:06:49,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:06:49,932 INFO L208 MainTranslator]: Completed translation [2020-07-11 01:06:49,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49 WrapperNode [2020-07-11 01:06:49,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 01:06:49,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 01:06:49,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 01:06:49,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 01:06:50,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:50,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:50,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:50,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:50,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:50,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:50,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (1/1) ... [2020-07-11 01:06:50,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 01:06:50,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 01:06:50,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 01:06:50,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 01:06:50,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (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 [2020-07-11 01:06:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 01:06:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 01:06:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-07-11 01:06:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2020-07-11 01:06:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-11 01:06:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 01:06:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 01:06:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 01:06:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-11 01:06:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-07-11 01:06:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 01:06:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2020-07-11 01:06:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-11 01:06:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 01:06:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 01:06:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 01:06:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 01:06:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-11 01:06:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 01:06:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 01:06:50,662 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 01:06:50,663 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 01:06:50,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:06:50 BoogieIcfgContainer [2020-07-11 01:06:50,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 01:06:50,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 01:06:50,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 01:06:50,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 01:06:50,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 01:06:49" (1/3) ... [2020-07-11 01:06:50,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513bdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:06:50, skipping insertion in model container [2020-07-11 01:06:50,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:06:49" (2/3) ... [2020-07-11 01:06:50,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513bdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:06:50, skipping insertion in model container [2020-07-11 01:06:50,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:06:50" (3/3) ... [2020-07-11 01:06:50,677 INFO L109 eAbstractionObserver]: Analyzing ICFG test21-2.c [2020-07-11 01:06:50,688 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 01:06:50,696 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 01:06:50,709 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 01:06:50,727 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 01:06:50,728 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 01:06:50,728 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 01:06:50,728 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 01:06:50,728 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 01:06:50,729 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 01:06:50,729 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 01:06:50,729 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 01:06:50,745 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-11 01:06:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-11 01:06:50,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:06:50,758 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] [2020-07-11 01:06:50,758 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:06:50,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:06:50,764 INFO L82 PathProgramCache]: Analyzing trace with hash -487286935, now seen corresponding path program 1 times [2020-07-11 01:06:50,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:06:50,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536765001] [2020-07-11 01:06:50,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:06:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 01:06:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 01:06:51,102 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 01:06:51,103 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 01:06:51,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 01:06:51,173 WARN L170 areAnnotationChecker]: initENTRY has no Hoare annotation [2020-07-11 01:06:51,177 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-11 01:06:51,177 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 01:06:51,177 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 01:06:51,177 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2020-07-11 01:06:51,177 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2020-07-11 01:06:51,178 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 01:06:51,178 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 01:06:51,178 WARN L170 areAnnotationChecker]: checkENTRY has no Hoare annotation [2020-07-11 01:06:51,178 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-11 01:06:51,178 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:06:51,179 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:06:51,179 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:06:51,179 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-11 01:06:51,179 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-11 01:06:51,179 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-11 01:06:51,180 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-11 01:06:51,180 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-11 01:06:51,180 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-11 01:06:51,180 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-11 01:06:51,180 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 01:06:51,181 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-11 01:06:51,182 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-11 01:06:51,182 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-11 01:06:51,182 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-11 01:06:51,182 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-11 01:06:51,182 WARN L170 areAnnotationChecker]: L22-4 has no Hoare annotation [2020-07-11 01:06:51,183 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-11 01:06:51,183 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-11 01:06:51,183 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-11 01:06:51,184 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-11 01:06:51,184 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-11 01:06:51,184 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-11 01:06:51,184 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-11 01:06:51,185 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-11 01:06:51,185 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2020-07-11 01:06:51,185 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2020-07-11 01:06:51,185 WARN L170 areAnnotationChecker]: get_dummyFINAL has no Hoare annotation [2020-07-11 01:06:51,185 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2020-07-11 01:06:51,186 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2020-07-11 01:06:51,186 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-11 01:06:51,186 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-11 01:06:51,186 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2020-07-11 01:06:51,186 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2020-07-11 01:06:51,187 WARN L170 areAnnotationChecker]: L33-4 has no Hoare annotation [2020-07-11 01:06:51,187 WARN L170 areAnnotationChecker]: L27-4 has no Hoare annotation [2020-07-11 01:06:51,187 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-11 01:06:51,187 WARN L170 areAnnotationChecker]: L9-4 has no Hoare annotation [2020-07-11 01:06:51,187 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-11 01:06:51,187 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-11 01:06:51,188 WARN L170 areAnnotationChecker]: checkFINAL has no Hoare annotation [2020-07-11 01:06:51,188 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-11 01:06:51,188 WARN L170 areAnnotationChecker]: L9-5 has no Hoare annotation [2020-07-11 01:06:51,189 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-11 01:06:51,189 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-11 01:06:51,189 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2020-07-11 01:06:51,189 WARN L170 areAnnotationChecker]: checkEXIT has no Hoare annotation [2020-07-11 01:06:51,190 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-11 01:06:51,190 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 01:06:51,190 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2020-07-11 01:06:51,190 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 01:06:51,190 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-11 01:06:51,190 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 01:06:51,191 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-11 01:06:51,191 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-11 01:06:51,191 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 01:06:51,191 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-11 01:06:51,192 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2020-07-11 01:06:51,192 WARN L170 areAnnotationChecker]: L35-4 has no Hoare annotation [2020-07-11 01:06:51,192 WARN L170 areAnnotationChecker]: initFINAL has no Hoare annotation [2020-07-11 01:06:51,193 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-11 01:06:51,194 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-11 01:06:51,195 WARN L170 areAnnotationChecker]: initEXIT has no Hoare annotation [2020-07-11 01:06:51,195 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-11 01:06:51,195 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. [2020-07-11 01:06:51,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 01:06:51 BoogieIcfgContainer [2020-07-11 01:06:51,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 01:06:51,215 INFO L168 Benchmark]: Toolchain (without parser) took 1611.53 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 98.5 MB in the beginning and 121.0 MB in the end (delta: -22.5 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2020-07-11 01:06:51,216 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 116.9 MB in the beginning and 116.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-11 01:06:51,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.68 ms. Allocated memory is still 134.7 MB. Free memory was 98.3 MB in the beginning and 87.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-11 01:06:51,220 INFO L168 Benchmark]: Boogie Preprocessor took 151.71 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 87.4 MB in the beginning and 176.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-11 01:06:51,222 INFO L168 Benchmark]: RCFGBuilder took 582.46 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 147.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2020-07-11 01:06:51,224 INFO L168 Benchmark]: TraceAbstraction took 539.33 ms. Allocated memory is still 199.2 MB. Free memory was 146.9 MB in the beginning and 121.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-11 01:06:51,236 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 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 116.9 MB in the beginning and 116.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 330.68 ms. Allocated memory is still 134.7 MB. Free memory was 98.3 MB in the beginning and 87.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.71 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 87.4 MB in the beginning and 176.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 582.46 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 147.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 539.33 ms. Allocated memory is still 199.2 MB. Free memory was 146.9 MB in the beginning and 121.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 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; VAL [\old(d1)=10, \old(d1)=14, \old(d2)=11, \old(d2)=13, d1={3:0}, d2={2:0}] [L32] CALL init() VAL [d1={3:0}, d2={2:0}] [L13] d1.a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=-1, d1={3:0}, d2={2:0}] [L14] d1.b = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=-2, d1={3:0}, d2={2:0}] [L16] d2.a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=-3, d1={3:0}, d2={2:0}] [L17] d2.b = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=-4, d1={3:0}, d2={2:0}] [L32] RET init() VAL [d1={3:0}, d2={2:0}] [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=1, __VERIFIER_nondet_bool() ? &d1 : &d2={3:0}, d1={3:0}, d2={2:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); VAL [\result={3:0}, __VERIFIER_nondet_bool()=1, __VERIFIER_nondet_bool() ? &d1 : &d2={3:0}, d1={3:0}, d2={2:0}] [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}, get_dummy()={3:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); VAL [d1={3:0}, d2={2:0}, get_dummy()={3:0}, pd1={3:0}] [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=1, __VERIFIER_nondet_bool() ? &d1 : &d2={3:0}, d1={3:0}, d2={2:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); VAL [\result={3:0}, __VERIFIER_nondet_bool()=1, __VERIFIER_nondet_bool() ? &d1 : &d2={3:0}, d1={3:0}, d2={2:0}] [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}, get_dummy()={3:0}, pd1={3:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); VAL [d1={3:0}, d2={2:0}, get_dummy()={3:0}, pd1={3:0}, pd2={3:0}] [L34] COND TRUE pd1 != 0 && pd1 == pd2 VAL [d1={3:0}, d2={2:0}, pd1={3:0}, pd2={3:0}] [L35] CALL, EXPR check(pd1, pd2) VAL [d1={3:0}, d2={2:0}, s1={3:0}, s2={3:0}] [L27] EXPR s1->a VAL [d1={3:0}, d2={2:0}, s1={3:0}, s1={3:0}, s1->a=-1, s2={3:0}, s2={3:0}] [L27] EXPR s2->b VAL [d1={3:0}, d2={2:0}, s1={3:0}, s1={3:0}, s1->a=-1, s2={3:0}, s2={3:0}, s2->b=-2] [L27] return s1->a == s2->b; VAL [\result=0, d1={3:0}, d2={2:0}, s1={3:0}, s1={3:0}, s1->a=-1, s2={3:0}, s2={3:0}, s2->b=-2] [L35] RET, EXPR check(pd1, pd2) VAL [check(pd1, pd2)=0, d1={3:0}, d2={2:0}, pd1={3:0}, pd2={3:0}] [L35] COND TRUE !check(pd1, pd2) VAL [check(pd1, pd2)=0, d1={3:0}, d2={2:0}, pd1={3:0}, pd2={3:0}] [L42] __VERIFIER_error() VAL [d1={3:0}, d2={2:0}, pd1={3:0}, pd2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 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...