/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/array-fpi/eqn5f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 23:35:14,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 23:35:14,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 23:35:14,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 23:35:14,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 23:35:14,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 23:35:14,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 23:35:14,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 23:35:14,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 23:35:14,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 23:35:14,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 23:35:14,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 23:35:14,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 23:35:14,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 23:35:14,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 23:35:14,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 23:35:14,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 23:35:14,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 23:35:14,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 23:35:14,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 23:35:14,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 23:35:14,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 23:35:14,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 23:35:14,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 23:35:14,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 23:35:14,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 23:35:14,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 23:35:14,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 23:35:14,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 23:35:14,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 23:35:14,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 23:35:14,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 23:35:14,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 23:35:14,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 23:35:14,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 23:35:14,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 23:35:14,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 23:35:14,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 23:35:14,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 23:35:14,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 23:35:14,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 23:35:14,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 23:35:14,470 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 23:35:14,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 23:35:14,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 23:35:14,472 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 23:35:14,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 23:35:14,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 23:35:14,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 23:35:14,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 23:35:14,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 23:35:14,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 23:35:14,474 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 23:35:14,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 23:35:14,474 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 23:35:14,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 23:35:14,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 23:35:14,475 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 23:35:14,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 23:35:14,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 23:35:14,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:35:14,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 23:35:14,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 23:35:14,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 23:35:14,476 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 [2020-07-08 23:35:14,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 23:35:14,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 23:35:14,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 23:35:14,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 23:35:14,808 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 23:35:14,809 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/eqn5f.c [2020-07-08 23:35:14,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fe134a2/7b3159d800cc4aca9ca2d78dea99a1fe/FLAG5feb028ff [2020-07-08 23:35:15,364 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 23:35:15,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/eqn5f.c [2020-07-08 23:35:15,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fe134a2/7b3159d800cc4aca9ca2d78dea99a1fe/FLAG5feb028ff [2020-07-08 23:35:15,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fe134a2/7b3159d800cc4aca9ca2d78dea99a1fe [2020-07-08 23:35:15,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 23:35:15,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 23:35:15,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 23:35:15,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 23:35:15,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 23:35:15,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:35:15" (1/1) ... [2020-07-08 23:35:15,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:15, skipping insertion in model container [2020-07-08 23:35:15,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:35:15" (1/1) ... [2020-07-08 23:35:15,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 23:35:15,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 23:35:16,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:35:16,026 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 23:35:16,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:35:16,074 INFO L208 MainTranslator]: Completed translation [2020-07-08 23:35:16,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16 WrapperNode [2020-07-08 23:35:16,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 23:35:16,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 23:35:16,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 23:35:16,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 23:35:16,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (1/1) ... [2020-07-08 23:35:16,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (1/1) ... [2020-07-08 23:35:16,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (1/1) ... [2020-07-08 23:35:16,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (1/1) ... [2020-07-08 23:35:16,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (1/1) ... [2020-07-08 23:35:16,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (1/1) ... [2020-07-08 23:35:16,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (1/1) ... [2020-07-08 23:35:16,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 23:35:16,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 23:35:16,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 23:35:16,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 23:35:16,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:35:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 23:35:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 23:35:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 23:35:16,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 23:35:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 23:35:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 23:35:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 23:35:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 23:35:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 23:35:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 23:35:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 23:35:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 23:35:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 23:35:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 23:35:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 23:35:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 23:35:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 23:35:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 23:35:16,872 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 23:35:16,872 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-08 23:35:16,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:35:16 BoogieIcfgContainer [2020-07-08 23:35:16,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 23:35:16,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 23:35:16,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 23:35:16,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 23:35:16,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:35:15" (1/3) ... [2020-07-08 23:35:16,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b768cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:35:16, skipping insertion in model container [2020-07-08 23:35:16,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:35:16" (2/3) ... [2020-07-08 23:35:16,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b768cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:35:16, skipping insertion in model container [2020-07-08 23:35:16,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:35:16" (3/3) ... [2020-07-08 23:35:16,891 INFO L109 eAbstractionObserver]: Analyzing ICFG eqn5f.c [2020-07-08 23:35:16,905 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 23:35:16,916 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 23:35:16,931 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 23:35:16,952 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 23:35:16,952 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 23:35:16,953 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 23:35:16,953 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 23:35:16,954 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 23:35:16,954 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 23:35:16,955 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 23:35:16,955 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 23:35:16,970 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-07-08 23:35:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 23:35:16,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:35:16,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:35:16,982 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:35:16,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:35:16,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1558850377, now seen corresponding path program 1 times [2020-07-08 23:35:16,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:35:16,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556497623] [2020-07-08 23:35:16,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:35:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:17,262 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {66#true} is VALID [2020-07-08 23:35:17,263 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} #valid := #valid[0 := 0]; {66#true} is VALID [2020-07-08 23:35:17,264 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} assume 0 < #StackHeapBarrier; {66#true} is VALID [2020-07-08 23:35:17,264 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} ~N~0 := 0; {66#true} is VALID [2020-07-08 23:35:17,265 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-08 23:35:17,266 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {66#true} {66#true} #110#return; {66#true} is VALID [2020-07-08 23:35:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:35:17,283 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#true} ~cond := #in~cond; {66#true} is VALID [2020-07-08 23:35:17,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} assume !(0 == ~cond); {66#true} is VALID [2020-07-08 23:35:17,284 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-08 23:35:17,285 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {66#true} {66#true} #106#return; {66#true} is VALID [2020-07-08 23:35:17,288 INFO L263 TraceCheckUtils]: 0: Hoare triple {66#true} call ULTIMATE.init(); {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 23:35:17,289 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {66#true} is VALID [2020-07-08 23:35:17,289 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} #valid := #valid[0 := 0]; {66#true} is VALID [2020-07-08 23:35:17,289 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} assume 0 < #StackHeapBarrier; {66#true} is VALID [2020-07-08 23:35:17,290 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} ~N~0 := 0; {66#true} is VALID [2020-07-08 23:35:17,290 INFO L280 TraceCheckUtils]: 5: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-08 23:35:17,291 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {66#true} {66#true} #110#return; {66#true} is VALID [2020-07-08 23:35:17,292 INFO L263 TraceCheckUtils]: 7: Hoare triple {66#true} call #t~ret10 := main(); {66#true} is VALID [2020-07-08 23:35:17,292 INFO L280 TraceCheckUtils]: 8: Hoare triple {66#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {66#true} is VALID [2020-07-08 23:35:17,293 INFO L280 TraceCheckUtils]: 9: Hoare triple {66#true} ~N~0 := #t~nondet0; {66#true} is VALID [2020-07-08 23:35:17,293 INFO L280 TraceCheckUtils]: 10: Hoare triple {66#true} havoc #t~nondet0; {66#true} is VALID [2020-07-08 23:35:17,294 INFO L280 TraceCheckUtils]: 11: Hoare triple {66#true} assume !(~N~0 <= 0); {66#true} is VALID [2020-07-08 23:35:17,294 INFO L263 TraceCheckUtils]: 12: Hoare triple {66#true} call assume_abort_if_not((if ~N~0 <= 536870911 then 1 else 0)); {66#true} is VALID [2020-07-08 23:35:17,295 INFO L280 TraceCheckUtils]: 13: Hoare triple {66#true} ~cond := #in~cond; {66#true} is VALID [2020-07-08 23:35:17,295 INFO L280 TraceCheckUtils]: 14: Hoare triple {66#true} assume !(0 == ~cond); {66#true} is VALID [2020-07-08 23:35:17,295 INFO L280 TraceCheckUtils]: 15: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-08 23:35:17,296 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {66#true} {66#true} #106#return; {66#true} is VALID [2020-07-08 23:35:17,296 INFO L280 TraceCheckUtils]: 17: Hoare triple {66#true} havoc ~i~0; {66#true} is VALID [2020-07-08 23:35:17,297 INFO L280 TraceCheckUtils]: 18: Hoare triple {66#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L26 {66#true} is VALID [2020-07-08 23:35:17,297 INFO L280 TraceCheckUtils]: 19: Hoare triple {66#true} ~a~0.base, ~a~0.offset := #t~malloc1.base, #t~malloc1.offset; {66#true} is VALID [2020-07-08 23:35:17,298 INFO L280 TraceCheckUtils]: 20: Hoare triple {66#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8 * ~N~0); srcloc: L27 {66#true} is VALID [2020-07-08 23:35:17,298 INFO L280 TraceCheckUtils]: 21: Hoare triple {66#true} ~b~0.base, ~b~0.offset := #t~malloc2.base, #t~malloc2.offset; {66#true} is VALID [2020-07-08 23:35:17,299 INFO L280 TraceCheckUtils]: 22: Hoare triple {66#true} SUMMARY for call write~int(1, ~a~0.base, ~a~0.offset, 8); srcloc: L29 {66#true} is VALID [2020-07-08 23:35:17,299 INFO L280 TraceCheckUtils]: 23: Hoare triple {66#true} SUMMARY for call write~int(1, ~b~0.base, ~b~0.offset, 8); srcloc: L29-1 {66#true} is VALID [2020-07-08 23:35:17,300 INFO L280 TraceCheckUtils]: 24: Hoare triple {66#true} ~i~0 := 1; {66#true} is VALID [2020-07-08 23:35:17,302 INFO L280 TraceCheckUtils]: 25: Hoare triple {66#true} assume !true; {67#false} is VALID [2020-07-08 23:35:17,302 INFO L280 TraceCheckUtils]: 26: Hoare triple {67#false} ~i~0 := 1; {67#false} is VALID [2020-07-08 23:35:17,302 INFO L280 TraceCheckUtils]: 27: Hoare triple {67#false} assume !(~i~0 < ~N~0); {67#false} is VALID [2020-07-08 23:35:17,303 INFO L280 TraceCheckUtils]: 28: Hoare triple {67#false} ~i~0 := 0; {67#false} is VALID [2020-07-08 23:35:17,303 INFO L280 TraceCheckUtils]: 29: Hoare triple {67#false} assume !!(~i~0 < ~N~0); {67#false} is VALID [2020-07-08 23:35:17,304 INFO L280 TraceCheckUtils]: 30: Hoare triple {67#false} SUMMARY for call #t~mem9 := read~int(~b~0.base, ~b~0.offset + 8 * ~i~0, 8); srcloc: L43 {67#false} is VALID [2020-07-08 23:35:17,304 INFO L263 TraceCheckUtils]: 31: Hoare triple {67#false} call __VERIFIER_assert((if #t~mem9 == 1 + (5 * ~i~0 * ~i~0 + 5 * ~i~0) then 1 else 0)); {67#false} is VALID [2020-07-08 23:35:17,305 INFO L280 TraceCheckUtils]: 32: Hoare triple {67#false} ~cond := #in~cond; {67#false} is VALID [2020-07-08 23:35:17,305 INFO L280 TraceCheckUtils]: 33: Hoare triple {67#false} assume 0 == ~cond; {67#false} is VALID [2020-07-08 23:35:17,306 INFO L280 TraceCheckUtils]: 34: Hoare triple {67#false} assume !false; {67#false} is VALID [2020-07-08 23:35:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:35:17,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556497623] [2020-07-08 23:35:17,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:35:17,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 23:35:17,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501666361] [2020-07-08 23:35:17,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-08 23:35:17,329 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:35:17,335 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 23:35:17,411 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:17,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 23:35:17,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:35:17,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 23:35:17,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:35:17,427 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2020-07-08 23:35:17,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:17,848 INFO L93 Difference]: Finished difference Result 109 states and 124 transitions. [2020-07-08 23:35:17,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 23:35:17,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-08 23:35:17,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:35:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:35:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2020-07-08 23:35:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:35:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2020-07-08 23:35:17,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 124 transitions. [2020-07-08 23:35:18,048 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:18,064 INFO L225 Difference]: With dead ends: 109 [2020-07-08 23:35:18,064 INFO L226 Difference]: Without dead ends: 56 [2020-07-08 23:35:18,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:35:18,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-08 23:35:18,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-08 23:35:18,178 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:35:18,179 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-08 23:35:18,179 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-08 23:35:18,180 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-08 23:35:18,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:18,186 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2020-07-08 23:35:18,186 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-08 23:35:18,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:35:18,187 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:35:18,188 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-08 23:35:18,188 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-08 23:35:18,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:35:18,193 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2020-07-08 23:35:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-08 23:35:18,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:35:18,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:35:18,195 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:35:18,195 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:35:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-08 23:35:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2020-07-08 23:35:18,201 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 35 [2020-07-08 23:35:18,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:35:18,201 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2020-07-08 23:35:18,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 23:35:18,202 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 58 transitions. [2020-07-08 23:35:18,283 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:35:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-08 23:35:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 23:35:18,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:35:18,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:35:18,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 23:35:18,286 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:35:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:35:18,287 INFO L82 PathProgramCache]: Analyzing trace with hash -574468364, now seen corresponding path program 1 times [2020-07-08 23:35:18,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:35:18,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527493728] [2020-07-08 23:35:18,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:35:18,315 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-08 23:35:18,315 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-08 23:35:18,315 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 23:35:18,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 23:35:18,338 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 23:35:18,338 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:35:18,338 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:35:18,338 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 23:35:18,338 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 23:35:18,339 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 23:35:18,339 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:18,339 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:18,339 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:35:18,339 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 23:35:18,339 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 23:35:18,339 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 23:35:18,340 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:35:18,340 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:35:18,340 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 23:35:18,340 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 23:35:18,340 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 23:35:18,340 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 23:35:18,341 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 23:35:18,341 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:35:18,341 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:35:18,341 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-08 23:35:18,341 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-08 23:35:18,341 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-08 23:35:18,341 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:35:18,342 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:35:18,342 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 23:35:18,342 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 23:35:18,342 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 23:35:18,342 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 23:35:18,342 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:35:18,342 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:35:18,342 WARN L170 areAnnotationChecker]: L43-2 has no Hoare annotation [2020-07-08 23:35:18,343 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 23:35:18,343 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 23:35:18,343 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 23:35:18,343 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-08 23:35:18,343 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-08 23:35:18,343 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 23:35:18,344 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-08 23:35:18,344 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 23:35:18,344 WARN L170 areAnnotationChecker]: L41-4 has no Hoare annotation [2020-07-08 23:35:18,344 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-08 23:35:18,344 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-08 23:35:18,344 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-08 23:35:18,345 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-08 23:35:18,345 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-08 23:35:18,345 WARN L170 areAnnotationChecker]: L41-6 has no Hoare annotation [2020-07-08 23:35:18,345 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-08 23:35:18,345 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-08 23:35:18,345 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-08 23:35:18,345 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-08 23:35:18,346 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 23:35:18,346 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-08 23:35:18,346 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-08 23:35:18,346 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-08 23:35:18,346 WARN L170 areAnnotationChecker]: L31-6 has no Hoare annotation [2020-07-08 23:35:18,346 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 23:35:18,346 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-08 23:35:18,347 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-08 23:35:18,347 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-08 23:35:18,347 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-08 23:35:18,347 WARN L170 areAnnotationChecker]: L36-6 has no Hoare annotation [2020-07-08 23:35:18,347 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-08 23:35:18,347 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-08 23:35:18,348 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-08 23:35:18,348 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation [2020-07-08 23:35:18,348 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-08 23:35:18,348 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation [2020-07-08 23:35:18,348 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-08 23:35:18,348 WARN L170 areAnnotationChecker]: L31-4 has no Hoare annotation [2020-07-08 23:35:18,348 WARN L170 areAnnotationChecker]: L38-4 has no Hoare annotation [2020-07-08 23:35:18,348 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-08 23:35:18,349 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-08 23:35:18,349 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-08 23:35:18,349 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 23:35:18,352 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-08 23:35:18,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:35:18 BoogieIcfgContainer [2020-07-08 23:35:18,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 23:35:18,357 INFO L168 Benchmark]: Toolchain (without parser) took 2588.82 ms. Allocated memory was 142.6 MB in the beginning and 230.7 MB in the end (delta: 88.1 MB). Free memory was 101.4 MB in the beginning and 131.7 MB in the end (delta: -30.3 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:18,358 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 23:35:18,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.22 ms. Allocated memory is still 142.6 MB. Free memory was 101.2 MB in the beginning and 89.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:18,360 INFO L168 Benchmark]: Boogie Preprocessor took 219.14 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 89.7 MB in the beginning and 180.1 MB in the end (delta: -90.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:18,361 INFO L168 Benchmark]: RCFGBuilder took 582.58 ms. Allocated memory is still 202.9 MB. Free memory was 180.1 MB in the beginning and 151.1 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:18,362 INFO L168 Benchmark]: TraceAbstraction took 1474.50 ms. Allocated memory was 202.9 MB in the beginning and 230.7 MB in the end (delta: 27.8 MB). Free memory was 151.1 MB in the beginning and 131.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2020-07-08 23:35:18,366 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 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.22 ms. Allocated memory is still 142.6 MB. Free memory was 101.2 MB in the beginning and 89.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 219.14 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 89.7 MB in the beginning and 180.1 MB in the end (delta: -90.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 582.58 ms. Allocated memory is still 202.9 MB. Free memory was 180.1 MB in the beginning and 151.1 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1474.50 ms. Allocated memory was 202.9 MB in the beginning and 230.7 MB in the end (delta: 27.8 MB). Free memory was 151.1 MB in the beginning and 131.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long *a = malloc(sizeof(long long)*N); [L27] long long *b = malloc(sizeof(long long)*N); [L29] a[0] = 1 [L30] b[0] = 1 [L31] i=1 [L31] COND FALSE !(i