/usr/bin/java -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/loops/array-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 17:44:32,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 17:44:32,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 17:44:32,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 17:44:32,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 17:44:32,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 17:44:32,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 17:44:32,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 17:44:32,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 17:44:32,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 17:44:32,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 17:44:32,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 17:44:32,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 17:44:32,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 17:44:32,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 17:44:32,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 17:44:32,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 17:44:32,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 17:44:32,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 17:44:32,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 17:44:32,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 17:44:32,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 17:44:32,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 17:44:32,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 17:44:32,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 17:44:32,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 17:44:32,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 17:44:32,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 17:44:32,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 17:44:32,508 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 17:44:32,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 17:44:32,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 17:44:32,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 17:44:32,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 17:44:32,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 17:44:32,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 17:44:32,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 17:44:32,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 17:44:32,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 17:44:32,512 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 17:44:32,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 17:44:32,512 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 17:44:32,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 17:44:32,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 17:44:32,513 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 17:44:32,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 17:44:32,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 17:44:32,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 17:44:32,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 17:44:32,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 17:44:32,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 17:44:32,515 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 17:44:33,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 17:44:33,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 17:44:33,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 17:44:33,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 17:44:33,051 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 17:44:33,053 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-1.c [2020-09-04 17:44:33,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68adce472/f550306f19c34a72a57651f1c5c4faea/FLAGf46d521d6 [2020-09-04 17:44:33,642 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 17:44:33,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/array-1.c [2020-09-04 17:44:33,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68adce472/f550306f19c34a72a57651f1c5c4faea/FLAGf46d521d6 [2020-09-04 17:44:33,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/68adce472/f550306f19c34a72a57651f1c5c4faea [2020-09-04 17:44:33,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 17:44:34,001 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 17:44:34,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 17:44:34,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 17:44:34,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 17:44:34,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:44:33" (1/1) ... [2020-09-04 17:44:34,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffbb17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34, skipping insertion in model container [2020-09-04 17:44:34,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:44:33" (1/1) ... [2020-09-04 17:44:34,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 17:44:34,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 17:44:34,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:44:34,347 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 17:44:34,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:44:34,392 INFO L208 MainTranslator]: Completed translation [2020-09-04 17:44:34,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34 WrapperNode [2020-09-04 17:44:34,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 17:44:34,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 17:44:34,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 17:44:34,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 17:44:34,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (1/1) ... [2020-09-04 17:44:34,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (1/1) ... [2020-09-04 17:44:34,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (1/1) ... [2020-09-04 17:44:34,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (1/1) ... [2020-09-04 17:44:34,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (1/1) ... [2020-09-04 17:44:34,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (1/1) ... [2020-09-04 17:44:34,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (1/1) ... [2020-09-04 17:44:34,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 17:44:34,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 17:44:34,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 17:44:34,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 17:44:34,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 17:44:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 17:44:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 17:44:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 17:44:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 17:44:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 17:44:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 17:44:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 17:44:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 17:44:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 17:44:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 17:44:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 17:44:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 17:44:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 17:44:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 17:44:34,903 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 17:44:34,903 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 17:44:34,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:44:34 BoogieIcfgContainer [2020-09-04 17:44:34,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 17:44:34,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 17:44:34,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 17:44:34,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 17:44:34,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 05:44:33" (1/3) ... [2020-09-04 17:44:34,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4291f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:44:34, skipping insertion in model container [2020-09-04 17:44:34,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:44:34" (2/3) ... [2020-09-04 17:44:34,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4291f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:44:34, skipping insertion in model container [2020-09-04 17:44:34,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:44:34" (3/3) ... [2020-09-04 17:44:34,926 INFO L109 eAbstractionObserver]: Analyzing ICFG array-1.c [2020-09-04 17:44:34,936 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 17:44:34,946 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 17:44:34,968 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 17:44:34,993 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 17:44:34,993 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 17:44:34,993 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 17:44:34,993 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 17:44:34,993 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 17:44:34,994 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 17:44:34,994 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 17:44:34,994 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 17:44:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-09-04 17:44:35,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-04 17:44:35,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:44:35,024 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] [2020-09-04 17:44:35,025 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:44:35,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:44:35,032 INFO L82 PathProgramCache]: Analyzing trace with hash 683487989, now seen corresponding path program 1 times [2020-09-04 17:44:35,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:44:35,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189946165] [2020-09-04 17:44:35,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:44:35,112 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:44:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:44:35,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:44:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:44:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:44:35,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189946165] [2020-09-04 17:44:35,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:44:35,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 17:44:35,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565038697] [2020-09-04 17:44:35,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 17:44:35,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:44:35,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 17:44:35,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 17:44:35,511 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 5 states. [2020-09-04 17:44:35,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:44:35,774 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2020-09-04 17:44:35,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 17:44:35,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-04 17:44:35,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:44:35,793 INFO L225 Difference]: With dead ends: 75 [2020-09-04 17:44:35,793 INFO L226 Difference]: Without dead ends: 49 [2020-09-04 17:44:35,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-04 17:44:35,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-04 17:44:35,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 37. [2020-09-04 17:44:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-09-04 17:44:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-09-04 17:44:35,894 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2020-09-04 17:44:35,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:44:35,895 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-09-04 17:44:35,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 17:44:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-09-04 17:44:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-04 17:44:35,898 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:44:35,899 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] [2020-09-04 17:44:35,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 17:44:35,899 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:44:35,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:44:35,901 INFO L82 PathProgramCache]: Analyzing trace with hash 403649603, now seen corresponding path program 1 times [2020-09-04 17:44:35,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:44:35,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601181235] [2020-09-04 17:44:35,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:44:35,950 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:44:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:44:36,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:44:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:44:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:44:36,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601181235] [2020-09-04 17:44:36,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:44:36,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 17:44:36,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759755867] [2020-09-04 17:44:36,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 17:44:36,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:44:36,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 17:44:36,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-04 17:44:36,490 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 11 states. [2020-09-04 17:44:36,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:44:36,903 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-09-04 17:44:36,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 17:44:36,904 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2020-09-04 17:44:36,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:44:36,906 INFO L225 Difference]: With dead ends: 49 [2020-09-04 17:44:36,906 INFO L226 Difference]: Without dead ends: 43 [2020-09-04 17:44:36,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2020-09-04 17:44:36,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-04 17:44:36,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2020-09-04 17:44:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-04 17:44:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-09-04 17:44:36,923 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 32 [2020-09-04 17:44:36,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:44:36,924 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-09-04 17:44:36,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 17:44:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-09-04 17:44:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-04 17:44:36,925 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:44:36,926 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] [2020-09-04 17:44:36,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 17:44:36,926 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:44:36,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:44:36,927 INFO L82 PathProgramCache]: Analyzing trace with hash -913737726, now seen corresponding path program 1 times [2020-09-04 17:44:36,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:44:36,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785188693] [2020-09-04 17:44:36,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:44:36,936 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:44:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:44:37,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:44:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:44:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:44:37,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785188693] [2020-09-04 17:44:37,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:44:37,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 17:44:37,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188272287] [2020-09-04 17:44:37,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 17:44:37,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:44:37,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 17:44:37,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-04 17:44:37,381 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 11 states. [2020-09-04 17:44:37,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:44:37,797 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-09-04 17:44:37,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 17:44:37,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2020-09-04 17:44:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:44:37,798 INFO L225 Difference]: With dead ends: 43 [2020-09-04 17:44:37,798 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 17:44:37,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2020-09-04 17:44:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 17:44:37,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 17:44:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 17:44:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 17:44:37,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2020-09-04 17:44:37,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:44:37,801 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 17:44:37,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 17:44:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 17:44:37,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 17:44:37,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 17:44:37,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 17:44:38,734 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 17:44:38,734 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-09-04 17:44:38,734 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 17:44:38,734 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-04 17:44:38,735 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 17:44:38,735 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 17:44:38,735 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 17:44:38,735 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 17:44:38,735 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 17:44:38,735 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 11 29) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= (div main_~SIZE~0 4294967296) 0)) [2020-09-04 17:44:38,736 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296)))) [2020-09-04 17:44:38,736 INFO L264 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= |main_#t~mem4| (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296)))) [2020-09-04 17:44:38,736 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|))) (and (<= 1 main_~SIZE~0) (<= |main_#t~mem4| .cse0) (<= main_~menor~0 .cse0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296))))) [2020-09-04 17:44:38,736 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0)) [2020-09-04 17:44:38,737 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0)) [2020-09-04 17:44:38,737 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0)) [2020-09-04 17:44:38,737 INFO L264 CegarLoopResult]: At program point L19-3(lines 19 24) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~menor~0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296)))) [2020-09-04 17:44:38,737 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |old(#valid)| |#valid|)) [2020-09-04 17:44:38,737 INFO L264 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0)) [2020-09-04 17:44:38,738 INFO L264 CegarLoopResult]: At program point L19-4(line 19) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~menor~0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296)))) [2020-09-04 17:44:38,738 INFO L264 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0)) [2020-09-04 17:44:38,738 INFO L264 CegarLoopResult]: At program point L19-5(line 19) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~menor~0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0)) [2020-09-04 17:44:38,738 INFO L264 CegarLoopResult]: At program point L19-6(lines 19 24) the Hoare annotation is: (let ((.cse0 (<= 1 main_~SIZE~0)) (.cse1 (<= main_~SIZE~0 1)) (.cse2 (= |main_~#array~0.offset| 0))) (or (and .cse0 (= main_~j~0 0) .cse1 .cse2) (and .cse0 (<= main_~menor~0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) .cse1 .cse2))) [2020-09-04 17:44:38,739 INFO L264 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= (div main_~SIZE~0 4294967296) 0)) [2020-09-04 17:44:38,739 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 11 29) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= (div main_~SIZE~0 4294967296) 0)) [2020-09-04 17:44:38,739 INFO L264 CegarLoopResult]: At program point L19-7(lines 19 24) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~menor~0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0)) [2020-09-04 17:44:38,739 INFO L264 CegarLoopResult]: At program point L15-3(line 15) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= (div main_~SIZE~0 4294967296) 0)) [2020-09-04 17:44:38,739 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 29) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-04 17:44:38,740 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= (div main_~SIZE~0 4294967296) 0)) [2020-09-04 17:44:38,740 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~menor~0 |main_#t~mem5|) (<= main_~menor~0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0)) [2020-09-04 17:44:38,740 INFO L264 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= (div main_~SIZE~0 4294967296) 0)) [2020-09-04 17:44:38,740 INFO L264 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296)))) [2020-09-04 17:44:38,740 INFO L264 CegarLoopResult]: At program point L22-1(lines 22 23) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296))) (<= |main_#t~mem3| (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|))) [2020-09-04 17:44:38,741 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296)))) [2020-09-04 17:44:38,741 INFO L264 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296))) (<= |main_#t~mem3| (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|))) [2020-09-04 17:44:38,741 INFO L264 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296)))) [2020-09-04 17:44:38,741 INFO L264 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296)))) [2020-09-04 17:44:38,741 INFO L264 CegarLoopResult]: At program point L22-4(line 22) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|))) (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |main_~#array~0.offset| 0) (<= (+ main_~menor~0 1) .cse0) (<= main_~j~0 (* 4294967296 (div main_~j~0 4294967296))) (<= |main_#t~mem3| .cse0))) [2020-09-04 17:44:38,742 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |old(#valid)| |#valid|)) [2020-09-04 17:44:38,742 INFO L264 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: (and (<= 1 main_~SIZE~0) (<= main_~SIZE~0 1) (= |old(#valid)| |#valid|)) [2020-09-04 17:44:38,742 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-09-04 17:44:38,742 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 3 8) the Hoare annotation is: true [2020-09-04 17:44:38,742 INFO L264 CegarLoopResult]: At program point L5(line 5) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-09-04 17:44:38,743 INFO L264 CegarLoopResult]: At program point L4(lines 4 6) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-09-04 17:44:38,743 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-09-04 17:44:38,743 INFO L271 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2020-09-04 17:44:38,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 17:44:38,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 17:44:38,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 05:44:38 BoogieIcfgContainer [2020-09-04 17:44:38,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 17:44:38,774 INFO L168 Benchmark]: Toolchain (without parser) took 4772.71 ms. Allocated memory was 137.9 MB in the beginning and 246.9 MB in the end (delta: 109.1 MB). Free memory was 101.9 MB in the beginning and 97.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 113.7 MB. Max. memory is 7.1 GB. [2020-09-04 17:44:38,775 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 17:44:38,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.37 ms. Allocated memory is still 137.9 MB. Free memory was 101.7 MB in the beginning and 91.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-09-04 17:44:38,777 INFO L168 Benchmark]: Boogie Preprocessor took 128.67 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.7 MB in the beginning and 179.3 MB in the end (delta: -87.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-09-04 17:44:38,778 INFO L168 Benchmark]: RCFGBuilder took 392.60 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 163.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2020-09-04 17:44:38,779 INFO L168 Benchmark]: TraceAbstraction took 3854.12 ms. Allocated memory was 201.3 MB in the beginning and 246.9 MB in the end (delta: 45.6 MB). Free memory was 162.4 MB in the beginning and 97.3 MB in the end (delta: 65.1 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. [2020-09-04 17:44:38,784 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 391.37 ms. Allocated memory is still 137.9 MB. Free memory was 101.7 MB in the beginning and 91.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.67 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.7 MB in the beginning and 179.3 MB in the end (delta: -87.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 392.60 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 163.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3854.12 ms. Allocated memory was 201.3 MB in the beginning and 246.9 MB in the end (delta: 45.6 MB). Free memory was 162.4 MB in the beginning and 97.3 MB in the end (delta: 65.1 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2020-09-04 17:44:38,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 17:44:38,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((1 <= SIZE && j == 0) && SIZE <= 1) && array == 0) || (((1 <= SIZE && menor <= unknown-#memory_int-unknown[array][array]) && SIZE <= 1) && array == 0) - ProcedureContractResult [Line: 11]: Procedure Contract for main Derived contract for procedure main: 1 <= SIZE && SIZE / 4294967296 <= 0 - ProcedureContractResult [Line: 3]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 95 SDtfs, 190 SDslu, 289 SDs, 0 SdLazy, 346 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 58 PreInvPairs, 81 NumberOfFragments, 526 HoareAnnotationTreeSize, 58 FomulaSimplifications, 705 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 588 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...