/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/array-fpi/eqn4f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 17:36:07,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 17:36:07,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 17:36:07,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 17:36:07,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 17:36:07,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 17:36:07,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 17:36:07,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 17:36:07,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 17:36:07,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 17:36:07,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 17:36:07,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 17:36:07,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 17:36:07,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 17:36:07,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 17:36:07,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 17:36:07,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 17:36:07,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 17:36:07,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 17:36:07,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 17:36:07,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 17:36:07,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 17:36:07,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 17:36:07,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 17:36:07,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 17:36:07,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 17:36:07,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 17:36:07,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 17:36:07,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 17:36:07,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 17:36:07,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 17:36:07,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 17:36:07,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 17:36:07,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 17:36:07,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 17:36:07,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 17:36:07,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 17:36:07,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 17:36:07,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 17:36:07,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 17:36:07,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 17:36:07,466 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 17:36:07,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 17:36:07,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 17:36:07,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 17:36:07,479 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 17:36:07,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 17:36:07,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 17:36:07,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 17:36:07,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 17:36:07,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 17:36:07,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 17:36:07,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 17:36:07,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 17:36:07,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 17:36:07,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 17:36:07,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 17:36:07,482 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 17:36:07,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 17:36:07,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 17:36:07,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 17:36:07,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 17:36:07,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 17:36:07,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 17:36:07,483 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 17:36:07,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 17:36:07,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 17:36:07,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 17:36:07,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 17:36:07,785 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 17:36:07,785 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/eqn4f.c [2020-07-08 17:36:07,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99100f08/04fc0f846b7246978bd76ada1e37edfc/FLAG29adb84d0 [2020-07-08 17:36:08,285 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 17:36:08,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/eqn4f.c [2020-07-08 17:36:08,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99100f08/04fc0f846b7246978bd76ada1e37edfc/FLAG29adb84d0 [2020-07-08 17:36:08,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e99100f08/04fc0f846b7246978bd76ada1e37edfc [2020-07-08 17:36:08,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 17:36:08,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 17:36:08,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 17:36:08,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 17:36:08,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 17:36:08,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:08,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38510ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08, skipping insertion in model container [2020-07-08 17:36:08,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:08,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 17:36:08,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 17:36:08,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 17:36:08,925 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 17:36:08,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 17:36:08,965 INFO L208 MainTranslator]: Completed translation [2020-07-08 17:36:08,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08 WrapperNode [2020-07-08 17:36:08,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 17:36:08,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 17:36:08,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 17:36:08,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 17:36:09,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:09,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:09,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:09,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:09,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:09,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:09,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (1/1) ... [2020-07-08 17:36:09,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 17:36:09,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 17:36:09,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 17:36:09,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 17:36:09,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (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 17:36:09,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 17:36:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 17:36:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 17:36:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 17:36:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 17:36:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 17:36:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 17:36:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 17:36:09,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 17:36:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 17:36:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 17:36:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 17:36:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 17:36:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 17:36:09,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 17:36:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 17:36:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 17:36:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 17:36:09,599 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 17:36:09,599 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-08 17:36:09,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 05:36:09 BoogieIcfgContainer [2020-07-08 17:36:09,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 17:36:09,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 17:36:09,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 17:36:09,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 17:36:09,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 05:36:08" (1/3) ... [2020-07-08 17:36:09,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2181bdab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 05:36:09, skipping insertion in model container [2020-07-08 17:36:09,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 05:36:08" (2/3) ... [2020-07-08 17:36:09,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2181bdab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 05:36:09, skipping insertion in model container [2020-07-08 17:36:09,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 05:36:09" (3/3) ... [2020-07-08 17:36:09,612 INFO L109 eAbstractionObserver]: Analyzing ICFG eqn4f.c [2020-07-08 17:36:09,622 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 17:36:09,629 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 17:36:09,643 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 17:36:09,663 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 17:36:09,664 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 17:36:09,664 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 17:36:09,664 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 17:36:09,664 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 17:36:09,664 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 17:36:09,665 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 17:36:09,665 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 17:36:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-07-08 17:36:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 17:36:09,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 17:36:09,691 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 17:36:09,692 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 17:36:09,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 17:36:09,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1558850377, now seen corresponding path program 1 times [2020-07-08 17:36:09,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 17:36:09,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835645006] [2020-07-08 17:36:09,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 17:36:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 17:36:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 17:36:09,968 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 17:36:09,969 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} #valid := #valid[0 := 0]; {66#true} is VALID [2020-07-08 17:36:09,970 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} assume 0 < #StackHeapBarrier; {66#true} is VALID [2020-07-08 17:36:09,970 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} ~N~0 := 0; {66#true} is VALID [2020-07-08 17:36:09,971 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-08 17:36:09,971 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {66#true} {66#true} #110#return; {66#true} is VALID [2020-07-08 17:36:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 17:36:09,981 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#true} ~cond := #in~cond; {66#true} is VALID [2020-07-08 17:36:09,982 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} assume !(0 == ~cond); {66#true} is VALID [2020-07-08 17:36:09,982 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-08 17:36:09,983 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {66#true} {66#true} #106#return; {66#true} is VALID [2020-07-08 17:36:09,985 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 17:36:09,986 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 17:36:09,986 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#true} #valid := #valid[0 := 0]; {66#true} is VALID [2020-07-08 17:36:09,987 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} assume 0 < #StackHeapBarrier; {66#true} is VALID [2020-07-08 17:36:09,987 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} ~N~0 := 0; {66#true} is VALID [2020-07-08 17:36:09,987 INFO L280 TraceCheckUtils]: 5: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-08 17:36:09,988 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {66#true} {66#true} #110#return; {66#true} is VALID [2020-07-08 17:36:09,989 INFO L263 TraceCheckUtils]: 7: Hoare triple {66#true} call #t~ret10 := main(); {66#true} is VALID [2020-07-08 17:36:09,989 INFO L280 TraceCheckUtils]: 8: Hoare triple {66#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {66#true} is VALID [2020-07-08 17:36:09,990 INFO L280 TraceCheckUtils]: 9: Hoare triple {66#true} ~N~0 := #t~nondet0; {66#true} is VALID [2020-07-08 17:36:09,990 INFO L280 TraceCheckUtils]: 10: Hoare triple {66#true} havoc #t~nondet0; {66#true} is VALID [2020-07-08 17:36:09,990 INFO L280 TraceCheckUtils]: 11: Hoare triple {66#true} assume !(~N~0 <= 0); {66#true} is VALID [2020-07-08 17:36:09,991 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 17:36:09,991 INFO L280 TraceCheckUtils]: 13: Hoare triple {66#true} ~cond := #in~cond; {66#true} is VALID [2020-07-08 17:36:09,992 INFO L280 TraceCheckUtils]: 14: Hoare triple {66#true} assume !(0 == ~cond); {66#true} is VALID [2020-07-08 17:36:09,992 INFO L280 TraceCheckUtils]: 15: Hoare triple {66#true} assume true; {66#true} is VALID [2020-07-08 17:36:09,992 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {66#true} {66#true} #106#return; {66#true} is VALID [2020-07-08 17:36:09,993 INFO L280 TraceCheckUtils]: 17: Hoare triple {66#true} havoc ~i~0; {66#true} is VALID [2020-07-08 17:36:09,993 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 17:36:09,994 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 17:36:09,994 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 17:36:09,995 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 17:36:09,995 INFO L280 TraceCheckUtils]: 22: Hoare triple {66#true} SUMMARY for call write~int(8, ~a~0.base, ~a~0.offset, 8); srcloc: L29 {66#true} is VALID [2020-07-08 17:36:09,995 INFO L280 TraceCheckUtils]: 23: Hoare triple {66#true} SUMMARY for call write~int(0, ~b~0.base, ~b~0.offset, 8); srcloc: L29-1 {66#true} is VALID [2020-07-08 17:36:09,996 INFO L280 TraceCheckUtils]: 24: Hoare triple {66#true} ~i~0 := 1; {66#true} is VALID [2020-07-08 17:36:09,997 INFO L280 TraceCheckUtils]: 25: Hoare triple {66#true} assume !true; {67#false} is VALID [2020-07-08 17:36:09,998 INFO L280 TraceCheckUtils]: 26: Hoare triple {67#false} ~i~0 := 1; {67#false} is VALID [2020-07-08 17:36:09,998 INFO L280 TraceCheckUtils]: 27: Hoare triple {67#false} assume !(~i~0 < ~N~0); {67#false} is VALID [2020-07-08 17:36:09,999 INFO L280 TraceCheckUtils]: 28: Hoare triple {67#false} ~i~0 := 0; {67#false} is VALID [2020-07-08 17:36:09,999 INFO L280 TraceCheckUtils]: 29: Hoare triple {67#false} assume !!(~i~0 < ~N~0); {67#false} is VALID [2020-07-08 17:36:09,999 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 17:36:10,000 INFO L263 TraceCheckUtils]: 31: Hoare triple {67#false} call __VERIFIER_assert((if #t~mem9 == 1 + (4 * ~i~0 * ~i~0 + 4 * ~i~0) then 1 else 0)); {67#false} is VALID [2020-07-08 17:36:10,000 INFO L280 TraceCheckUtils]: 32: Hoare triple {67#false} ~cond := #in~cond; {67#false} is VALID [2020-07-08 17:36:10,001 INFO L280 TraceCheckUtils]: 33: Hoare triple {67#false} assume 0 == ~cond; {67#false} is VALID [2020-07-08 17:36:10,001 INFO L280 TraceCheckUtils]: 34: Hoare triple {67#false} assume !false; {67#false} is VALID [2020-07-08 17:36:10,008 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 17:36:10,009 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 17:36:10,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835645006] [2020-07-08 17:36:10,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 17:36:10,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 17:36:10,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628138060] [2020-07-08 17:36:10,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-08 17:36:10,024 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 17:36:10,028 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 17:36:10,091 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 17:36:10,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 17:36:10,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 17:36:10,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 17:36:10,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 17:36:10,104 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2020-07-08 17:36:10,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 17:36:10,483 INFO L93 Difference]: Finished difference Result 109 states and 124 transitions. [2020-07-08 17:36:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 17:36:10,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-08 17:36:10,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 17:36:10,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 17:36:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2020-07-08 17:36:10,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 17:36:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2020-07-08 17:36:10,503 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 124 transitions. [2020-07-08 17:36:10,666 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 17:36:10,698 INFO L225 Difference]: With dead ends: 109 [2020-07-08 17:36:10,698 INFO L226 Difference]: Without dead ends: 56 [2020-07-08 17:36:10,707 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 17:36:10,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-08 17:36:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-08 17:36:10,826 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 17:36:10,826 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-08 17:36:10,827 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-08 17:36:10,828 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-08 17:36:10,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 17:36:10,838 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2020-07-08 17:36:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-08 17:36:10,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 17:36:10,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 17:36:10,840 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-08 17:36:10,841 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-08 17:36:10,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 17:36:10,849 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2020-07-08 17:36:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-08 17:36:10,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 17:36:10,855 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 17:36:10,856 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 17:36:10,856 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 17:36:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-08 17:36:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2020-07-08 17:36:10,875 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 35 [2020-07-08 17:36:10,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 17:36:10,876 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2020-07-08 17:36:10,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 17:36:10,876 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 58 transitions. [2020-07-08 17:36:10,958 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 17:36:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-07-08 17:36:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 17:36:10,960 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 17:36:10,961 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 17:36:10,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 17:36:10,962 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 17:36:10,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 17:36:10,963 INFO L82 PathProgramCache]: Analyzing trace with hash -574468364, now seen corresponding path program 1 times [2020-07-08 17:36:10,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 17:36:10,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761252127] [2020-07-08 17:36:10,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 17:36:11,018 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 17:36:11,022 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 17:36:11,022 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 17:36:11,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 17:36:11,041 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 17:36:11,042 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 17:36:11,042 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 17:36:11,042 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 17:36:11,042 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 17:36:11,042 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 17:36:11,043 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 17:36:11,043 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 17:36:11,043 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 17:36:11,043 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 17:36:11,043 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 17:36:11,043 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 17:36:11,043 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 17:36:11,043 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 17:36:11,044 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 17:36:11,044 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 17:36:11,044 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 17:36:11,044 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 17:36:11,044 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 17:36:11,044 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 17:36:11,045 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 17:36:11,045 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-08 17:36:11,045 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-08 17:36:11,045 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-08 17:36:11,045 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 17:36:11,045 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 17:36:11,045 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 17:36:11,046 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 17:36:11,046 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 17:36:11,046 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 17:36:11,046 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 17:36:11,046 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 17:36:11,046 WARN L170 areAnnotationChecker]: L43-2 has no Hoare annotation [2020-07-08 17:36:11,046 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 17:36:11,047 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 17:36:11,047 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 17:36:11,047 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-08 17:36:11,047 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-08 17:36:11,047 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 17:36:11,047 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-08 17:36:11,047 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 17:36:11,048 WARN L170 areAnnotationChecker]: L41-4 has no Hoare annotation [2020-07-08 17:36:11,048 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-08 17:36:11,048 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-08 17:36:11,048 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-08 17:36:11,048 WARN L170 areAnnotationChecker]: L41-5 has no Hoare annotation [2020-07-08 17:36:11,048 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-08 17:36:11,048 WARN L170 areAnnotationChecker]: L41-6 has no Hoare annotation [2020-07-08 17:36:11,048 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-08 17:36:11,049 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-08 17:36:11,049 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-08 17:36:11,049 WARN L170 areAnnotationChecker]: L43-1 has no Hoare annotation [2020-07-08 17:36:11,049 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 17:36:11,049 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-08 17:36:11,049 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-08 17:36:11,050 WARN L170 areAnnotationChecker]: L31-5 has no Hoare annotation [2020-07-08 17:36:11,050 WARN L170 areAnnotationChecker]: L31-6 has no Hoare annotation [2020-07-08 17:36:11,050 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 17:36:11,050 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-08 17:36:11,050 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-08 17:36:11,050 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-08 17:36:11,050 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-08 17:36:11,050 WARN L170 areAnnotationChecker]: L36-6 has no Hoare annotation [2020-07-08 17:36:11,051 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-08 17:36:11,051 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-08 17:36:11,051 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-08 17:36:11,051 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation [2020-07-08 17:36:11,051 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-08 17:36:11,051 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation [2020-07-08 17:36:11,051 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-08 17:36:11,052 WARN L170 areAnnotationChecker]: L31-4 has no Hoare annotation [2020-07-08 17:36:11,052 WARN L170 areAnnotationChecker]: L38-4 has no Hoare annotation [2020-07-08 17:36:11,052 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-08 17:36:11,052 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-08 17:36:11,052 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-08 17:36:11,052 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 17:36:11,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 05:36:11 BoogieIcfgContainer [2020-07-08 17:36:11,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 17:36:11,059 INFO L168 Benchmark]: Toolchain (without parser) took 2374.63 ms. Allocated memory was 142.6 MB in the beginning and 231.2 MB in the end (delta: 88.6 MB). Free memory was 100.4 MB in the beginning and 129.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. [2020-07-08 17:36:11,060 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory is still 118.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 17:36:11,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.78 ms. Allocated memory is still 142.6 MB. Free memory was 100.0 MB in the beginning and 89.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-07-08 17:36:11,062 INFO L168 Benchmark]: Boogie Preprocessor took 135.08 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 89.2 MB in the beginning and 178.7 MB in the end (delta: -89.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-08 17:36:11,062 INFO L168 Benchmark]: RCFGBuilder took 502.42 ms. Allocated memory is still 201.3 MB. Free memory was 178.7 MB in the beginning and 150.1 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-07-08 17:36:11,063 INFO L168 Benchmark]: TraceAbstraction took 1450.89 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 149.1 MB in the beginning and 129.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. [2020-07-08 17:36:11,067 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 0.24 ms. Allocated memory is still 142.6 MB. Free memory is still 118.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 278.78 ms. Allocated memory is still 142.6 MB. Free memory was 100.0 MB in the beginning and 89.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.08 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 89.2 MB in the beginning and 178.7 MB in the end (delta: -89.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 502.42 ms. Allocated memory is still 201.3 MB. Free memory was 178.7 MB in the beginning and 150.1 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1450.89 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 149.1 MB in the beginning and 129.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a 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] = 8 [L30] b[0] = 0 [L31] i=1 [L31] COND FALSE !(i