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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 12:57:53,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 12:57:53,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 12:57:53,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 12:57:53,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 12:57:53,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 12:57:53,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 12:57:53,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 12:57:53,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 12:57:53,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 12:57:53,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 12:57:53,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 12:57:53,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 12:57:53,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 12:57:53,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 12:57:53,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 12:57:53,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 12:57:53,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 12:57:53,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 12:57:53,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 12:57:53,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 12:57:53,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 12:57:53,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 12:57:53,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 12:57:53,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 12:57:53,727 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 12:57:53,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 12:57:53,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 12:57:53,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 12:57:53,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 12:57:53,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 12:57:53,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 12:57:53,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 12:57:53,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 12:57:53,730 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 12:57:53,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 12:57:53,730 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 12:57:53,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 12:57:53,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 12:57:53,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 12:57:53,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 12:57:53,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 12:57:53,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 12:57:53,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 12:57:53,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 12:57:53,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 12:57:53,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 12:57:53,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 12:57:53,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 12:57:53,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 12:57:53,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 12:57:53,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 12:57:53,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 12:57:53,808 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 12:57:53,808 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 12:57:53,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2019-09-20 12:57:53,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ae657b4/685bc7a04d774757bb6f561023eab361/FLAGb1a3710f8 [2019-09-20 12:57:54,257 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 12:57:54,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2019-09-20 12:57:54,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ae657b4/685bc7a04d774757bb6f561023eab361/FLAGb1a3710f8 [2019-09-20 12:57:54,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ae657b4/685bc7a04d774757bb6f561023eab361 [2019-09-20 12:57:54,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 12:57:54,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 12:57:54,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:54,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 12:57:54,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 12:57:54,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:54" (1/1) ... [2019-09-20 12:57:54,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a36ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:54, skipping insertion in model container [2019-09-20 12:57:54,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:54" (1/1) ... [2019-09-20 12:57:54,718 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 12:57:54,734 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 12:57:54,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:54,914 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 12:57:54,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:55,075 INFO L192 MainTranslator]: Completed translation [2019-09-20 12:57:55,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55 WrapperNode [2019-09-20 12:57:55,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:55,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 12:57:55,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 12:57:55,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 12:57:55,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (1/1) ... [2019-09-20 12:57:55,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (1/1) ... [2019-09-20 12:57:55,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (1/1) ... [2019-09-20 12:57:55,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (1/1) ... [2019-09-20 12:57:55,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (1/1) ... [2019-09-20 12:57:55,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (1/1) ... [2019-09-20 12:57:55,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (1/1) ... [2019-09-20 12:57:55,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 12:57:55,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 12:57:55,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 12:57:55,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 12:57:55,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (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 [2019-09-20 12:57:55,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 12:57:55,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 12:57:55,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 12:57:55,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 12:57:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 12:57:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 12:57:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 12:57:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 12:57:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 12:57:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 12:57:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 12:57:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 12:57:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 12:57:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 12:57:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 12:57:55,419 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 12:57:55,420 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 12:57:55,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:55 BoogieIcfgContainer [2019-09-20 12:57:55,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 12:57:55,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 12:57:55,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 12:57:55,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 12:57:55,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 12:57:54" (1/3) ... [2019-09-20 12:57:55,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a97e233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:55, skipping insertion in model container [2019-09-20 12:57:55,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:55" (2/3) ... [2019-09-20 12:57:55,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a97e233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:55, skipping insertion in model container [2019-09-20 12:57:55,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:55" (3/3) ... [2019-09-20 12:57:55,429 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2019-09-20 12:57:55,452 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 12:57:55,465 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 12:57:55,488 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 12:57:55,540 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 12:57:55,541 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 12:57:55,541 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 12:57:55,542 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 12:57:55,542 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 12:57:55,542 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 12:57:55,542 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 12:57:55,543 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 12:57:55,543 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 12:57:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-09-20 12:57:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-09-20 12:57:55,576 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:55,577 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 12:57:55,579 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:55,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:55,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1079158542, now seen corresponding path program 1 times [2019-09-20 12:57:55,588 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:55,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:55,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:55,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:55,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:57:55,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:57:55,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 12:57:55,846 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 12:57:55,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 12:57:55,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 12:57:55,860 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2019-09-20 12:57:55,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:57:55,992 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2019-09-20 12:57:55,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 12:57:55,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-09-20 12:57:55,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:57:56,005 INFO L225 Difference]: With dead ends: 56 [2019-09-20 12:57:56,005 INFO L226 Difference]: Without dead ends: 30 [2019-09-20 12:57:56,008 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-20 12:57:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-09-20 12:57:56,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2019-09-20 12:57:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-09-20 12:57:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-09-20 12:57:56,056 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 11 [2019-09-20 12:57:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:57:56,057 INFO L475 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-09-20 12:57:56,057 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 12:57:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-09-20 12:57:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-20 12:57:56,059 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:56,060 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 12:57:56,060 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:56,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:56,061 INFO L82 PathProgramCache]: Analyzing trace with hash -476045897, now seen corresponding path program 1 times [2019-09-20 12:57:56,061 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:56,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:56,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:56,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:56,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:57:56,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:57:56,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 12:57:56,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 12:57:56,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 12:57:56,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:57:56,142 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 3 states. [2019-09-20 12:57:56,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:57:56,154 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2019-09-20 12:57:56,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 12:57:56,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-09-20 12:57:56,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:57:56,157 INFO L225 Difference]: With dead ends: 36 [2019-09-20 12:57:56,157 INFO L226 Difference]: Without dead ends: 26 [2019-09-20 12:57:56,158 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 12:57:56,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-09-20 12:57:56,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2019-09-20 12:57:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-09-20 12:57:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2019-09-20 12:57:56,166 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 13 [2019-09-20 12:57:56,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:57:56,166 INFO L475 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2019-09-20 12:57:56,166 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 12:57:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2019-09-20 12:57:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-20 12:57:56,167 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:56,168 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 12:57:56,168 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:56,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:56,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1393486425, now seen corresponding path program 1 times [2019-09-20 12:57:56,169 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:56,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:56,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:56,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:56,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:56,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:57:56,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:57:56,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 12:57:56,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 12:57:56,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 12:57:56,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-09-20 12:57:56,460 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 9 states. [2019-09-20 12:57:56,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:57:56,633 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2019-09-20 12:57:56,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 12:57:56,634 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-09-20 12:57:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:57:56,635 INFO L225 Difference]: With dead ends: 38 [2019-09-20 12:57:56,635 INFO L226 Difference]: Without dead ends: 36 [2019-09-20 12:57:56,636 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 12:57:56,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-09-20 12:57:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 24. [2019-09-20 12:57:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-09-20 12:57:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-09-20 12:57:56,643 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 18 [2019-09-20 12:57:56,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:57:56,644 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-09-20 12:57:56,644 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 12:57:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-09-20 12:57:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-20 12:57:56,645 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:56,645 INFO L407 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 12:57:56,646 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:56,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:56,646 INFO L82 PathProgramCache]: Analyzing trace with hash 618852702, now seen corresponding path program 1 times [2019-09-20 12:57:56,646 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:56,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:56,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:56,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:56,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:57,423 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 73 [2019-09-20 12:57:57,799 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2019-09-20 12:57:57,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:57:57,880 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 12:57:57,881 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 12:57:57,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:58,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2019-09-20 12:57:58,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 12:58:08,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 12:58:08,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 12:58:08,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 12:58:08,643 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 12:58:08,644 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-20 12:58:08,660 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 12:58:08,661 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-20 12:58:08,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 12:58:08,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-20 12:58:08,779 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-20 12:58:08,784 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-20 12:58:09,055 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-20 12:58:09,079 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-20 12:58:09,079 INFO L235 Elim1Store]: Index analysis took 407 ms [2019-09-20 12:58:09,087 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 69 [2019-09-20 12:58:09,088 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-20 12:58:09,101 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 12:58:09,101 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-20 12:58:09,152 INFO L567 ElimStorePlain]: treesize reduction 17, result has 73.0 percent of original size [2019-09-20 12:58:09,156 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-20 12:58:09,157 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:461, output treesize:7 [2019-09-20 12:58:09,170 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 12:58:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:58:09,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 12:58:09,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 13 [2019-09-20 12:58:09,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 12:58:09,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 12:58:09,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=117, Unknown=5, NotChecked=0, Total=156 [2019-09-20 12:58:09,236 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 13 states. [2019-09-20 12:58:09,732 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-20 12:58:10,812 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 12:58:15,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:58:15,327 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2019-09-20 12:58:15,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 12:58:15,328 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2019-09-20 12:58:15,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:58:15,329 INFO L225 Difference]: With dead ends: 34 [2019-09-20 12:58:15,329 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 12:58:15,330 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=55, Invalid=180, Unknown=5, NotChecked=0, Total=240 [2019-09-20 12:58:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 12:58:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 12:58:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 12:58:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 12:58:15,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-09-20 12:58:15,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:58:15,332 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 12:58:15,332 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 12:58:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 12:58:15,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 12:58:15,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 12:58:17,626 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 12:58:19,336 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-20 12:58:21,424 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 12:58:21,479 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:58:21,479 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:58:21,479 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:58:21,480 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:58:21,480 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 12:58:21,480 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:58:21,480 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:58:21,480 INFO L439 ceAbstractionStarter]: At program point L31-2(lines 31 37) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (or (and (<= main_~index1~0 (+ (* 4294967296 (div main_~index1~0 4294967296)) 99999)) (<= main_~index2~0 (+ .cse0 99999)) (= 0 main_~loop_entered~0)) (let ((.cse1 (+ main_~index2~0 1))) (and (<= (+ (* 4294967296 (div .cse1 4294967296)) main_~index1~0) (+ (* 4294967296 (div (+ main_~index1~0 (- 1)) 4294967296)) main_~index2~0 1)) (<= main_~index2~0 (+ .cse0 99998)) (let ((.cse2 (select |#memory_int| |main_~#array~0.base|))) (= (mod (select .cse2 (+ (* 4 (mod .cse1 4294967296)) |main_~#array~0.offset|)) 4294967296) (mod (select .cse2 (+ (* 4 (mod (+ main_~index1~0 4294967295) 4294967296)) |main_~#array~0.offset|)) 4294967296))))))) [2019-09-20 12:58:21,481 INFO L443 ceAbstractionStarter]: For program point L31-3(lines 20 47) no Hoare annotation was computed. [2019-09-20 12:58:21,481 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 19 47) no Hoare annotation was computed. [2019-09-20 12:58:21,481 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 19 47) no Hoare annotation was computed. [2019-09-20 12:58:21,481 INFO L439 ceAbstractionStarter]: At program point L40-2(lines 40 44) the Hoare annotation is: (or (let ((.cse2 (+ main_~index2~0 1))) (let ((.cse0 (* 4294967296 (div .cse2 4294967296)))) (and (<= (+ .cse0 main_~index1~0) (+ (* 4294967296 (div (+ main_~index1~0 (- 1)) 4294967296)) main_~index2~0 1)) (<= main_~index2~0 (+ .cse0 99998)) (let ((.cse1 (select |#memory_int| |main_~#array~0.base|))) (= (mod (select .cse1 (+ (* 4 (mod .cse2 4294967296)) |main_~#array~0.offset|)) 4294967296) (mod (select .cse1 (+ (* 4 (mod (+ main_~index1~0 4294967295) 4294967296)) |main_~#array~0.offset|)) 4294967296)))))) (let ((.cse3 (* 4294967296 (div main_~index2~0 4294967296)))) (and (<= main_~index2~0 (+ .cse3 99999)) (<= (+ .cse3 main_~index1~0 1) (+ main_~index2~0 (* 4294967296 (div main_~index1~0 4294967296))))))) [2019-09-20 12:58:21,482 INFO L439 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (let ((.cse1 (<= (+ .cse0 main_~index1~0 1) (+ main_~index2~0 (* 4294967296 (div main_~index1~0 4294967296)))))) (or (and (<= main_~index2~0 (+ .cse0 99998)) .cse1) (and (<= main_~index2~0 (+ .cse0 99999)) .cse1 (= 0 main_~loop_entered~0))))) [2019-09-20 12:58:21,482 INFO L443 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2019-09-20 12:58:21,482 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 19 47) the Hoare annotation is: true [2019-09-20 12:58:21,482 INFO L439 ceAbstractionStarter]: At program point L41(line 41) the Hoare annotation is: (let ((.cse4 (+ main_~index2~0 1))) (let ((.cse0 (* 4294967296 (div .cse4 4294967296))) (.cse2 (* 4294967296 (div |main_#t~mem7| 4294967296))) (.cse1 (+ (* 4294967296 (div |main_#t~mem8| 4294967296)) |main_#t~mem7|))) (and (<= (+ .cse0 main_~index1~0) (+ (* 4294967296 (div (+ main_~index1~0 (- 1)) 4294967296)) main_~index2~0 1)) (< .cse1 (+ .cse2 |main_#t~mem8| 1)) (<= main_~index2~0 (+ .cse0 99998)) (let ((.cse3 (select |#memory_int| |main_~#array~0.base|))) (= (mod (select .cse3 (+ (* 4 (mod .cse4 4294967296)) |main_~#array~0.offset|)) 4294967296) (mod (select .cse3 (+ (* 4 (mod (+ main_~index1~0 4294967295) 4294967296)) |main_~#array~0.offset|)) 4294967296))) (<= (mod main_~index2~0 4294967296) (mod main_~index1~0 4294967296)) (<= (+ .cse2 |main_#t~mem8|) .cse1)))) [2019-09-20 12:58:21,482 INFO L443 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2019-09-20 12:58:21,482 INFO L443 ceAbstractionStarter]: For program point L39(lines 39 45) no Hoare annotation was computed. [2019-09-20 12:58:21,482 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-09-20 12:58:21,483 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 9 15) the Hoare annotation is: true [2019-09-20 12:58:21,483 INFO L443 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2019-09-20 12:58:21,483 INFO L443 ceAbstractionStarter]: For program point L11(lines 11 13) no Hoare annotation was computed. [2019-09-20 12:58:21,483 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2019-09-20 12:58:21,483 INFO L443 ceAbstractionStarter]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2019-09-20 12:58:21,492 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,493 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,498 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,498 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,500 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,500 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,501 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,501 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 12:58:21 BoogieIcfgContainer [2019-09-20 12:58:21,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 12:58:21,506 INFO L168 Benchmark]: Toolchain (without parser) took 26801.98 ms. Allocated memory was 136.8 MB in the beginning and 270.5 MB in the end (delta: 133.7 MB). Free memory was 84.5 MB in the beginning and 205.0 MB in the end (delta: -120.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:21,507 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 136.8 MB. Free memory is still 102.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 12:58:21,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.15 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 84.5 MB in the beginning and 176.7 MB in the end (delta: -92.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:21,509 INFO L168 Benchmark]: Boogie Preprocessor took 35.38 ms. Allocated memory is still 198.7 MB. Free memory was 176.7 MB in the beginning and 174.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:21,512 INFO L168 Benchmark]: RCFGBuilder took 308.87 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 159.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:21,514 INFO L168 Benchmark]: TraceAbstraction took 26081.70 ms. Allocated memory was 198.7 MB in the beginning and 270.5 MB in the end (delta: 71.8 MB). Free memory was 159.2 MB in the beginning and 205.0 MB in the end (delta: -45.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 12:58:21,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 136.8 MB. Free memory is still 102.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 372.15 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 84.5 MB in the beginning and 176.7 MB in the end (delta: -92.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.38 ms. Allocated memory is still 198.7 MB. Free memory was 176.7 MB in the beginning and 174.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.87 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 159.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26081.70 ms. Allocated memory was 198.7 MB in the beginning and 270.5 MB in the end (delta: 71.8 MB). Free memory was 159.2 MB in the beginning and 205.0 MB in the end (delta: -45.8 MB). Peak memory consumption was 26.0 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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: 12]: 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: 40]: Loop Invariant [2019-09-20 12:58:21,529 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,529 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((4294967296 * ((index2 + 1) / 4294967296) + index1 <= 4294967296 * ((index1 + -1) / 4294967296) + index2 + 1 && index2 <= 4294967296 * ((index2 + 1) / 4294967296) + 99998) && unknown-#memory_int-unknown[array][4 * ((index2 + 1) % 4294967296) + array] % 4294967296 == unknown-#memory_int-unknown[array][4 * ((index1 + 4294967295) % 4294967296) + array] % 4294967296) || (index2 <= 4294967296 * (index2 / 4294967296) + 99999 && 4294967296 * (index2 / 4294967296) + index1 + 1 <= index2 + 4294967296 * (index1 / 4294967296)) - InvariantResult [Line: 31]: Loop Invariant [2019-09-20 12:58:21,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-20 12:58:21,532 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((index1 <= 4294967296 * (index1 / 4294967296) + 99999 && index2 <= 4294967296 * (index2 / 4294967296) + 99999) && 0 == loop_entered) || ((4294967296 * ((index2 + 1) / 4294967296) + index1 <= 4294967296 * ((index1 + -1) / 4294967296) + index2 + 1 && index2 <= 4294967296 * (index2 / 4294967296) + 99998) && unknown-#memory_int-unknown[array][4 * ((index2 + 1) % 4294967296) + array] % 4294967296 == unknown-#memory_int-unknown[array][4 * ((index1 + 4294967295) % 4294967296) + array] % 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. SAFE Result, 25.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 6.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 69 SDtfs, 37 SDslu, 227 SDs, 0 SdLazy, 194 SolverSat, 23 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 20 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 15 PreInvPairs, 22 NumberOfFragments, 336 HoareAnnotationTreeSize, 15 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 166 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 33426 SizeOfPredicates, 7 NumberOfNonLiveVariables, 74 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 9/10 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...