/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 0.1.25-267fbe0 [2020-07-18 05:13:33,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:13:33,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:13:33,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:13:33,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:13:33,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:13:33,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:13:33,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:13:33,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:13:33,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:13:33,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:13:33,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:13:33,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:13:33,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:13:33,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:13:33,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:13:33,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:13:33,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:13:33,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:13:33,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:13:33,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:13:33,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:13:33,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:13:33,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:13:33,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:13:33,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:13:33,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:13:33,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:13:33,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:13:33,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:13:33,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:13:33,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:13:33,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:13:33,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:13:33,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:13:33,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:13:33,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:13:33,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:13:33,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:13:33,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:13:33,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:13:33,580 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 05:13:33,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:13:33,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:13:33,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:13:33,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:13:33,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:13:33,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:13:33,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:13:33,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:13:33,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:13:33,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:13:33,597 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:13:33,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:13:33,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:13:33,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:13:33,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:13:33,599 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:13:33,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:13:33,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:13:33,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:13:33,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:13:33,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:13:33,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:13:33,600 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 05:13:33,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:13:33,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:13:33,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:13:33,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:13:33,939 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:13:33,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-2.c [2020-07-18 05:13:34,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a0b551bc/cfcb9d01eee6456b8e1f22deda16d549/FLAG396780be3 [2020-07-18 05:13:34,464 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:13:34,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c [2020-07-18 05:13:34,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a0b551bc/cfcb9d01eee6456b8e1f22deda16d549/FLAG396780be3 [2020-07-18 05:13:34,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a0b551bc/cfcb9d01eee6456b8e1f22deda16d549 [2020-07-18 05:13:34,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:13:34,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:13:34,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:13:34,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:13:34,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:13:34,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:13:34" (1/1) ... [2020-07-18 05:13:34,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354d87e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:34, skipping insertion in model container [2020-07-18 05:13:34,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:13:34" (1/1) ... [2020-07-18 05:13:34,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:13:34,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:13:35,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:13:35,124 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:13:35,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:13:35,183 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:13:35,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35 WrapperNode [2020-07-18 05:13:35,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:13:35,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:13:35,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:13:35,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:13:35,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (1/1) ... [2020-07-18 05:13:35,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (1/1) ... [2020-07-18 05:13:35,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (1/1) ... [2020-07-18 05:13:35,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (1/1) ... [2020-07-18 05:13:35,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (1/1) ... [2020-07-18 05:13:35,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (1/1) ... [2020-07-18 05:13:35,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (1/1) ... [2020-07-18 05:13:35,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:13:35,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:13:35,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:13:35,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:13:35,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (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 05:13:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:13:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:13:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-07-18 05:13:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2020-07-18 05:13:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-18 05:13:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:13:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:13:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:13:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-18 05:13:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-07-18 05:13:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 05:13:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2020-07-18 05:13:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-18 05:13:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 05:13:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:13:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:13:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 05:13:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 05:13:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:13:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:13:35,837 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:13:35,838 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 05:13:35,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:13:35 BoogieIcfgContainer [2020-07-18 05:13:35,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:13:35,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:13:35,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:13:35,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:13:35,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:13:34" (1/3) ... [2020-07-18 05:13:35,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5f080f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:13:35, skipping insertion in model container [2020-07-18 05:13:35,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:13:35" (2/3) ... [2020-07-18 05:13:35,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5f080f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:13:35, skipping insertion in model container [2020-07-18 05:13:35,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:13:35" (3/3) ... [2020-07-18 05:13:35,851 INFO L109 eAbstractionObserver]: Analyzing ICFG test21-2.c [2020-07-18 05:13:35,863 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:13:35,872 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:13:35,887 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:13:35,910 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:13:35,911 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:13:35,911 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:13:35,911 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:13:35,911 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:13:35,911 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:13:35,912 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:13:35,912 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:13:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-18 05:13:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-18 05:13:35,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:13:35,944 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] [2020-07-18 05:13:35,944 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:13:35,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:13:35,950 INFO L82 PathProgramCache]: Analyzing trace with hash -487286935, now seen corresponding path program 1 times [2020-07-18 05:13:35,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:13:35,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704508354] [2020-07-18 05:13:35,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:13:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:13:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:13:36,303 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:13:36,304 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:13:36,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:13:36,373 WARN L170 areAnnotationChecker]: initENTRY has no Hoare annotation [2020-07-18 05:13:36,373 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 05:13:36,373 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:13:36,374 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:13:36,374 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2020-07-18 05:13:36,374 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2020-07-18 05:13:36,374 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:13:36,375 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:13:36,375 WARN L170 areAnnotationChecker]: checkENTRY has no Hoare annotation [2020-07-18 05:13:36,375 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 05:13:36,375 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:36,376 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:36,376 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:13:36,376 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 05:13:36,376 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-18 05:13:36,376 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-18 05:13:36,377 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-18 05:13:36,377 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-18 05:13:36,377 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-18 05:13:36,377 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 05:13:36,377 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:13:36,378 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-18 05:13:36,378 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-18 05:13:36,378 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 05:13:36,378 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 05:13:36,378 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 05:13:36,379 WARN L170 areAnnotationChecker]: L22-4 has no Hoare annotation [2020-07-18 05:13:36,379 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-18 05:13:36,379 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-18 05:13:36,379 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-18 05:13:36,379 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-18 05:13:36,380 WARN L170 areAnnotationChecker]: L22-5 has no Hoare annotation [2020-07-18 05:13:36,380 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-18 05:13:36,380 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-18 05:13:36,380 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-18 05:13:36,381 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2020-07-18 05:13:36,381 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2020-07-18 05:13:36,381 WARN L170 areAnnotationChecker]: get_dummyFINAL has no Hoare annotation [2020-07-18 05:13:36,381 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2020-07-18 05:13:36,381 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2020-07-18 05:13:36,381 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 05:13:36,382 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-18 05:13:36,382 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2020-07-18 05:13:36,382 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2020-07-18 05:13:36,382 WARN L170 areAnnotationChecker]: L33-4 has no Hoare annotation [2020-07-18 05:13:36,382 WARN L170 areAnnotationChecker]: L27-4 has no Hoare annotation [2020-07-18 05:13:36,382 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-18 05:13:36,383 WARN L170 areAnnotationChecker]: L9-4 has no Hoare annotation [2020-07-18 05:13:36,383 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-18 05:13:36,383 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-18 05:13:36,383 WARN L170 areAnnotationChecker]: checkFINAL has no Hoare annotation [2020-07-18 05:13:36,383 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-18 05:13:36,384 WARN L170 areAnnotationChecker]: L9-5 has no Hoare annotation [2020-07-18 05:13:36,384 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-18 05:13:36,384 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-18 05:13:36,384 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2020-07-18 05:13:36,385 WARN L170 areAnnotationChecker]: checkEXIT has no Hoare annotation [2020-07-18 05:13:36,385 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 05:13:36,385 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:13:36,385 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2020-07-18 05:13:36,385 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:13:36,385 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-18 05:13:36,386 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:13:36,386 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-18 05:13:36,386 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-18 05:13:36,386 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:13:36,386 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-18 05:13:36,387 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2020-07-18 05:13:36,387 WARN L170 areAnnotationChecker]: L35-4 has no Hoare annotation [2020-07-18 05:13:36,387 WARN L170 areAnnotationChecker]: initFINAL has no Hoare annotation [2020-07-18 05:13:36,387 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-18 05:13:36,387 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-18 05:13:36,388 WARN L170 areAnnotationChecker]: initEXIT has no Hoare annotation [2020-07-18 05:13:36,388 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-18 05:13:36,388 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 05:13:36,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:13:36 BoogieIcfgContainer [2020-07-18 05:13:36,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:13:36,398 INFO L168 Benchmark]: Toolchain (without parser) took 1559.78 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 124.6 MB in the end (delta: -22.3 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:36,399 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 05:13:36,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.80 ms. Allocated memory is still 138.4 MB. Free memory was 101.9 MB in the beginning and 91.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:36,401 INFO L168 Benchmark]: Boogie Preprocessor took 132.35 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.3 MB in the beginning and 179.6 MB in the end (delta: -88.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:36,402 INFO L168 Benchmark]: RCFGBuilder took 525.50 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 150.4 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:36,403 INFO L168 Benchmark]: TraceAbstraction took 549.92 ms. Allocated memory is still 202.4 MB. Free memory was 150.4 MB in the beginning and 124.6 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-18 05:13:36,407 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 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 344.80 ms. Allocated memory is still 138.4 MB. Free memory was 101.9 MB in the beginning and 91.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.35 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 91.3 MB in the beginning and 179.6 MB in the end (delta: -88.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 525.50 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 150.4 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 549.92 ms. Allocated memory is still 202.4 MB. Free memory was 150.4 MB in the beginning and 124.6 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; 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...